7 letter words:
agrapha13,
5 letter words:
gazar15,
pacha12,
parch12,
graph11,
aargh9,
4 letter words:
czar15,
caph11,
chap11,
arch9,
char9,
harp9,
agha8,
carp8,
crap8,
paca8,
crag7,
haar7,
para6,
agar5,
raga5,
3 letter words:
zap14,
zag13,
hap8,
pah8,
cap7,
hag7,
pac7,
aah6,
aha6,
gap6,
rah6,
arc5,
car5,
par5,
rap5,
aga4,
gar4,
rag4,
2 letter words:
za11,
ah5,
ha5,
pa4,
ag3,
aa2,
ar2,