iiii iiis iiit iisi iisp iist iitt inis init inni inns inny inp- inpi inpp inpt insp inss inst inti intn intp ints ipin ippy ipsi ipsp ipss ipts isin isis isit isnt isps ispy issi issp isss issy isti istp ists isty isys itin itis itsi itsp itsy itty iypt n-ii niip niit nini nins nips nipt nisi nisp niss nist niti nits nity niyi nnit nnnn nnpi nnss nntn npin npss npsy nptn nsin nsis nspi nsps nssp nsss nstp nsts ntis ntss nyit nynt nyny nypt nyss nyst piip pini pinn pinp pins pint piny pipi pipp pips pipy pisi piss pist pisy piti pits pitt pity piys pnin pnpp pppn pppp ppps ppss pptn ppts pptt psip psis psni pspi pspp psps psst psts psy- psys pyin pyn- pynt pypy pyss pyst pytt s-ii siit sini sinn sinp sins sint siny sipi sipp sips sipt sipy sisi siss sist sisy sit- siti sitn sits sitt sity siyi snip snit snns snpp snsy snys spin spip spis spit spns spps spsp spss spst spts spy- spys ssin ssis ssit ssns ssps sspt sssi ssss sstp ssts stip stis stit stnn stns stpp stps stsi stss stys syis syn- syns syny syss syst sytt tiit tini tinn tins tint tiny tip- tipi tipp tips tipt tisi tiss tist titi titp tits titt tiyi tiyn tnsp tnts tppp tptp tsin tsis tspn tsps tspt tssi tsst tsts tsys ttss tttt ttys tyin tynt tyny typ- typp typy tyss tyst tyti tytt tyty tyyn yins yips yiss yist yiti yitp ypsi ysii ysnp yspi yyyy