5	prism	5	prims
4	simp	4	rips
4	rims	4	pris
4	prim	4	pirs
4	mirs	4	imps
3	sri	3	sir
3	sip	3	sim
3	rip	3	rim
3	psi	3	pis
3	pir	3	mis
3	mir	3	ism
3	imp	2	si
2	pi	2	mi
2	is