Description The Checkup . Chez and Chuck have a checkup with Max the nurse. But they cannot sit still. Poor Mom! The Fish and Chip Shop . Chaz is cooking fish and chips, but his fish is too big. Can Chuck help him? The phonemes /qu/ch/sh/ are featured in this title. In Level 3 - Yellow books, children build on the letter-sound combinations learned in levels 1 and 2. They learn consonant digraphs (sounds made up of two letters together such as 'ch' or "ll") and long vowel sounds (such as 'igh' or 'ai').