DIGRAPH ch || READING Words & Sentences with /ch/ Sound Spelt as CH & TCH || Liy Learns Tutorial 

A digraph is two letters that combine together to correspond to one sound (phoneme). Examples of consonant digraphs are 'ch, sh, th, ng'. Examples of vowel digraphs are 'ea, oa, oe, ie, ue, ar, er, ir, or, ur '.
#digraphs
#digraphs