6 letter words:
chymic18,
hiccup15,
5 letter words:
humpy15,
yucch15,
chimp14,
chump14,
humic12,
4 letter words:
yuch12,
chic11,
chip11,
chum11,
hump11,
much11,
pyic11,
huic9,
3 letter words:
hyp11,
myc10,
chi8,
hic8,
him8,
hip8,
hum8,
hup8,
ich8,
icy8,
phi8,
yip8,
yum8,
yup8,
cum7,
cup7,
imp7,
mic7,
pic7,
ump7,
piu5,
2 letter words:
hm7,
my7,
hi5,
uh5,
mi4,
mu4,
pi4,
um4,
up4,