-itis i-pin iiiii iitti inini inipi inits innis innit innti insin instn insts intis ipini ipiti ipsi- is-is isint isisi isiti isits isitt isnit isnts istin itins itisi itsin itsit ittti n-p-n niiip ninti nipin nipit nisin nitin nitti npins nsnps nstnt ntini p-n-p piisi pinin pinit pinn- pinni pints pipis pipit pippi pisin pissi pisti pitin pitip pitis pitti pitts pptnt pssst pssts s-iii si-in sinis sinit sinni sinti sipit sippi sipsi sipti sisis sissi sists sitin sitit sitsi sitti snipp snips snits spin- spins spiss spiti spits sssss stins stint stips stitt sttns sttsn ti-ti tints tipin tipis tipit tippi tisis tisnt tiss- tissi titii titin titis titpn titti tntnt tppts tsins tspin ttttt