Question: is qu a digraph or blend?
Answer: Consonant blends (also called consonant clusters) are groups of two or three consonants in words that makes a distinct consonant sound, such as “bl” or “spl.” Consonant digraphs include: bl, br, ch, ck, cl, cr, dr, fl, fr, gh, gl, gr, ng, ph, pl, pr, qu, sc, sh, sk, sl, sm, sn, sp, st, sw, th, tr, tw, wh, wr.