5 letter words:
angst6,
gnats6,
stang6,
tangs6,
4 letter words:
gast5,
gats5,
gnat5,
nags5,
sang5,
snag5,
stag5,
tags5,
tang5,
ants4,
tans4,
3 letter words:
ags4,
gan4,
gas4,
gat4,
nag4,
sag4,
tag4,
ant3,
sat3,
tan3,
tas3,
2 letter words:
ag3,
an2,
as2,
at2,
na2,
ta2,