5 letter words:
harts8,
raths8,
tahrs8,
thars8,
trash8,
4 letter words:
hart7,
hast7,
hats7,
rahs7,
rash7,
rath7,
shat7,
tahr7,
tash7,
thar7,
arts4,
rast4,
rats4,
star4,
tars4,
tsar4,
3 letter words:
ahs6,
ash6,
has6,
hat6,
rah6,
sha6,
ars3,
art3,
ras3,
rat3,
sar3,
sat3,
tar3,
tas3,
2 letter words:
ah5,
ha5,
sh5,
ar2,
as2,
at2,
st2,
ta2,