You can find sounds at word, sentence, and story/reading levels at:
On this page (see below), I have placed links for sounds at the word level only. On the website listed above, you can find sentence and story levels for each sound as well.
Once your child has the sound in isolation, work on it in words; once your child has the sound in words, ask them to make/formulate a sentence with each word.
"Ch" words: "Make a sound like a train" choo choo
Initial word position: http://mommyspeechtherapy.com/wp-content/downloads/articulation/ch-initial_words.pdf
Medial Ch words: http://mommyspeechtherapy.com/wp-content/downloads/articulation/ch-medial_words.pd
Final Ch words: http://mommyspeechtherapy.com/wp-content/downloads/articulation/ch-final_words.pdf
Words with /f/: "Put your bottom lip on your top teeth and gently blow."
Initial /f/ words: http://mommyspeechtherapy.com/wp-content/downloads/articulation/f-initial_words.pdf
Medial /f/ words: http://mommyspeechtherapy.com/wp-content/downloads/articulation/f-medial_words.pdf
Final /f/ words: http://mommyspeechtherapy.com/wp-content/downloads/articulation/f-final_words.pdf
/g/ words: "Put your tongue up in the back of the mouth and pop it down while using your voice."
Initial /g/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/g-initial_words.pdf
Medial /g/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/g-medial_words.pdf
Final /g/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/g-final_words.pdf
/k/ words: "Put the back of your tongue up and pop it down."
Initial /k/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/k-initial_words.pdf
Medial /k/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/k-medial_words.pdf
Final /k/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/k-final_words.pdf
/l/ words: "Put your tongue behind your upper teeth or between your teeth, move tongue down."
Initial /l/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/l-initial_words.pdf
Medial /l/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/l-medial_words.pdf
Final /l/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/l-final_words.pdf
/r/ words: "Raise the back of your tongue, and pull tongue toward the back of the mouth."
"Feel where the tongue is and put it there for all /r/ sounds."
Initial /r/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/r-initial_words.pdf
Medial /r/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/r-medial_words.pdf
Final /r/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/r-final_words.pdf
Additional final /r/ words:
grrr arrrrgh, matey!
/s/ words: "Place the front of your tongue on the roof of your mouth, relax the jaw, drop your
tongue tip down slightly and gently blow air out of the front of the mouth."
Initial /s/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/s-initial_words.pdf
Medial /s/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/s-medial_words.pdf
Final /s/: http://mommyspeechtherapy.com/wp-content/downloads/articulation/s-final_words.pdf
"Put your front teeth together, stick out your lips, and blow straight out of your mouth."
Initial "sh:" http://mommyspeechtherapy.com/wp-content/downloads/articulation/sh-initial_words.pdf
Medial "sh:" http://mommyspeechtherapy.com/wp-content/downloads/articulation/sh-medial_words.pdf
Final "sh:" http://mommyspeechtherapy.com/wp-content/downloads/articulation/sh-final_words.pdf
"Th" words: "Put your tonge between your teeth and blow air out (voiceless "th")."
"Put your tongue between your teeth and vibrate your tongue with your voice (voiced "th")."
Initial "th": http://mommyspeechtherapy.com/wp-content/downloads/articulation/th-initial_words.pdf
Medial "th": http://mommyspeechtherapy.com/wp-content/downloads/articulation/th-medial_words.pdf
Final "th": http://mommyspeechtherapy.com/wp-content/downloads/articulation/th-final_words.pdf
More voiced "th" words to practice:
Initial: there, then, that, than, them, this, those, therefore
Final: bathe, teethe, breathe, loathe