ffff ffii ffps ffss fiff fifi fiii fini finn finp fins fipp fips fisi fiss fnsp fpin fsfi fspf fssf fssp fyfi fynn iffy ifis ifni ifns ifps ifsp iiii iiis iipf iisi iisp infi infp infs infy inis inni inns inny inp- inpi inpp insp inss ipin ippf ippy ipsi ipsp ipss isfp isin isis ispf isps ispy issf issi issp isss issy isys n-ii nfff nfip nfps niff niip nini nins nips nisi nisp niss niyi nnnn nnpi nnss npif npin npss npsy nsfs nsin nsis nspi nsps nssf nssp nsss nyny nysf nyss pfff pfis pfps pfyn piff pifs piip pini pinn pinp pins piny pipi pipp pips pipy pisi piss pisy piys pnin pnpp ppif pppn pppp ppps ppsf ppss psfs psip psis psni pspi pspp psps psy- psys pyin pyn- pypy pyss s-ii sfss siff sify sini sinn sinp sins siny sipi sipp sips sipy sisi siss sisy siyi snip snns snpp snsy snys spfs spin spip spis spns sppf spps spsp spss spy- spys ssfp ssin ssis ssns sspf ssps sssf sssi ssss syff syfy syis syn- syns syny syss yiff yins yips yiss ypsi ysii ysnp yspi yyff yyyy