5 letter words:
graft9,
augur6,
gutta6,
4 letter words:
frag8,
frug8,
fugu8,
fart7,
frat7,
raft7,
tufa7,
tuft7,
turf7,
gaur5,
grat5,
guar5,
guru5,
ruga5,
trug5,
tart4,
taut4,
tutu4,
3 letter words:
fag7,
fug7,
aft6,
arf6,
far6,
fat6,
fur6,
gar4,
gat4,
gut4,
rag4,
rug4,
tag4,
tug4,
art3,
att3,
rat3,
rut3,
tar3,
tat3,
tau3,
tut3,
uta3,
2 letter words:
fa5,
ag3,
ar2,
at2,
ta2,
ut2,