7 letter words:
probits11,
6 letter words:
probit10,
bistro8,
orbits8,
prosit8,
ripost8,
tripos8,
5 letter words:
biros7,
borts7,
brios7,
brits7,
obits7,
orbit7,
ports7,
posit7,
prost7,
spirt7,
sport7,
sprit7,
stirp7,
strip7,
strop7,
topis7,
trips7,
riots5,
rotis5,
tiros5,
torsi5,
trios5,
trois5,
4 letter words:
bops8,
bios6,
biro6,
bits6,
bort6,
bots6,
brio6,
bris6,
brit6,
bros6,
obis6,
obit6,
opts6,
orbs6,
piso6,
pits6,
pois6,
port6,
post6,
pots6,
pros6,
ribs6,
rips6,
robs6,
sorb6,
spit6,
spot6,
stob6,
stop6,
tips6,
topi6,
tops6,
trip6,
trop6,
orts4,
riot4,
roti4,
rots4,
sori4,
sort4,
stir4,
tiro4,
tori4,
tors4,
trio4,
3 letter words:
bop7,
bio5,
bis5,
bit5,
bos5,
bot5,
bro5,
obi5,
ops5,
opt5,
orb5,
pis5,
pit5,
poi5,
pot5,
pro5,
psi5,
pst5,
rib5,
rip5,
rob5,
sib5,
sip5,
sob5,
sop5,
tip5,
top5,
its3,
ors3,
ort3,
rot3,
sir3,
sit3,
sot3,
sri3,
tis3,
tor3,
2 letter words:
bi4,
bo4,
op4,
pi4,
is2,
it2,
oi2,
or2,
os2,
si2,
so2,
ti2,
to2,