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11 S
61405:44
10 wh, ph, tch
71405:29
9 -ck, sh, th, ch
78305:59
8. digraph oo
79006:00
7. ou ow oi oy
99306:19
6. ow oa
94205:52
5 ar,or,ir,ur,er
96106:16
4 ee and ea
130606:05
3 vowel pairs ai and ay
119405:55
2 long vowels a,i,o,u,e
143605:34
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