9 letter words:
birthwort17,
7 letter words:
ribwort12,
6 letter words:
trowth12,
worrit9,
bittor8,
5 letter words:
rowth11,
throw11,
whirr11,
whort11,
worth11,
wroth11,
birth10,
brith10,
broth10,
throb10,
troth8,
britt7,
orbit7,
trior5,
4 letter words:
whio10,
whir10,
whit10,
whot10,
with10,
both9,
bowr9,
brow9,
hori7,
rowt7,
thio7,
thir7,
thro7,
towt7,
trow7,
twit7,
wort7,
writ7,
biro6,
birr6,
bito6,
bitt6,
bort6,
bott6,
brio6,
brit6,
obit6,
riot4,
ritt4,
rort4,
roti4,
tiro4,
tirr4,
toit4,
tori4,
torr4,
tort4,
trio4,
trot4,
3 letter words:
how9,
who9,
boh8,
bow8,
hob8,
hit6,
hoi6,
hot6,
owt6,
rho6,
row6,
tho6,
tow6,
two6,
wit6,
wot6,
bio5,
bit5,
boi5,
bor5,
bot5,
bro5,
brr5,
obi5,
orb5,
rib5,
rob5,
ort3,
rit3,
rot3,
tit3,
tor3,
tot3,
2 letter words:
hi5,
ho5,
oh5,
ow5,
wo5,
bi4,
bo4,
ob4,
io2,
it2,
oi2,
or2,
ti2,
to2,