8 letter words:
hiccough19,
6 letter words:
chough15,
5 letter words:
chico12,
couch12,
cough11,
4 letter words:
chic11,
high11,
chug10,
huic9,
ouch9,
3 letter words:
huh9,
chi8,
hic8,
ich8,
ghi7,
hog7,
hug7,
ugh7,
cig6,
cog6,
2 letter words:
hi5,
ho5,
oh5,
uh5,
go3,
oi2,