ffff ffii ffps ffss ffun fiff fifi fiii fini finn finp fins fipp fips fisi fiss fisu fnsp fnuf fpin fsfi fspf fssf fssp fuff fufu funf funs fusi fuss fusu ifis ifni ifns ifps ifsp iiii iiis iipf iisi iisp iisu infi infp infs inis inni inns innu inp- inpi inpp insp inss insu inui inun inup inus ipin ippf ipsi ipsp ipss ipus isfp isin isis ispf isps issf issi issp isss issu isup isus iuiu iupp iuss n-ii n-up nfff nfip nfps nfsu niff niip niiu nini nins nips nisi nisp niss nisu nnnn nnpi nnss npif npin npss nsfs nsin nsis nspi nsps nssf nssp nsss nuff nuin nunn nuns nups nusi nuss nusu pfff pfis pfps pfui piff pifs piip pini pinn pinp pins pinu pipi pipp pips pisi piss pisu pius pnin pnpp pnup ppif pppn pppp ppps ppsf ppss psfs psip psis psni pspi pspp psps puff puin puis puiu puns punu pupi pups pupu pusi puss s-ii sfss sfsu siff sifu sini sinn sinp sins sinu sipi sipp sips sisi siss sisu siui sius snfu snip snns snpp snus spfs spin spip spis spns sppf spps spsp spss spui spun spus ssfp ssin ssis ssns sspf ssps sssf sssi ssss suf- suff sufi sufs sufu suin suis sun- suni sunn suns sunu sup- supp sups sus- susi susp suss susu suus ufip uipi unfp uni- unif unii unin unis unni unns unps uns- unus upin upis upnp uppp uppu upsi upup usfi usfs usif usin usip usis usnu uspp usps ussf usss ussu usui usun usus uuni uusi uuuu