Diagraph

A digraph consists of two consecutive letters that form one phonetic sound, also called a "phoneme".

Consonant diagraphs include:

• ch
• gu
• ng
• ph
• th

Vowel diagraphs include:

• ar
• ea
• er
• ie (e.g., "pie", but contrast "mien", pronounced meen)
• ir
• oa
• oe
• or
• ue
• ur