DIGRAPH ur, ir, er || READING Words with /ur/ Sound Spelt as UR, IR, ER || 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