6 letter words:
aphtha14,
5 letter words:
hatch13,
catch12,
chapt12,
pacha12,
patch12,
4 letter words:
caph11,
chap11,
haha10,
hath10,
chat9,
path9,
phat9,
tach9,
caca8,
paca8,
pact8,
acta6,
atap6,
tapa6,
3 letter words:
hah9,
hap8,
pah8,
pht8,
cap7,
pac7,
aah6,
aha6,
hat6,
act5,
apt5,
cat5,
pat5,
tap5,
2 letter words:
ah5,
ha5,
pa4,
aa2,
at2,
ta2,