7 letter words:
ripraps11,
6 letter words:
riprap10,
5 letter words:
pairs7,
paris7,
parrs7,
arris5,
sirra5,
4 letter words:
apps8,
paps8,
pips8,
pair6,
parr6,
pars6,
pias6,
raps6,
rasp6,
rips6,
spar6,
airs4,
rais4,
rias4,
sari4,
3 letter words:
app7,
pap7,
pip7,
asp5,
par5,
pas5,
pia5,
pis5,
psi5,
rap5,
rip5,
sap5,
sip5,
spa5,
air3,
ais3,
ars3,
rai3,
ras3,
ria3,
sir3,
sri3,
2 letter words:
pa4,
pi4,
ai2,
ar2,
as2,
is2,
si2,