ffff ffii ffps ffss fiff fifi fiii fini finn finp fins fipp fips fisi fiss fnsp fpin fsfi fspf fssf fssp ifis ifni ifns ifps ifsp iiii iiis iipf iisi iisp infi infp infs inis inni inns inp- inpi inpp insp inss ipin ippf ipsi ipsp ipss isfp isin isis ispf isps issf issi issp isss n-ii nfff nfip nfps niff niip nini nins nips nisi nisp niss nnnn nnpi nnss npif npin npss nsfs nsin nsis nspi nsps nssf nssp nsss pfff pfis pfps piff pifs piip pini pinn pinp pins pipi pipp pips pisi piss pnin pnpp ppif pppn pppp ppps ppsf ppss psfs psip psis psni pspi pspp psps s-ii sfss siff sini sinn sinp sins sipi sipp sips sisi siss snip snns snpp spfs spin spip spis spns sppf spps spsp spss ssfp ssin ssis ssns sspf ssps sssf sssi ssss