ffff ffii ffps ffss fiff fifi fifo fiii fiil fili fill filn filo fils fini finn fino finp fins fion fios fipp fips fisi fiss flii flin flip flis flon floo flop flos fnsp fofo foil foin fois foli foll folo fols fono fons foof fool foon foos fopp fops fosi foso foss fpin fsfi fsfo fsln fspf fssf fssp i-no ifil ifis ifni ifno ifns ifpo ifps ifso ifsp iiii iiio iiis iino iioi iioo iiop iios iipf iisi iisp ilin ilio ilis ill- illi illo illp ills ilni ilno iloo ilos infi infl info infp infs inis inni inno inns ino- inoi inol inon inos inp- inpi inpp inso insp inss ioii ioio iolo ioni ionn iono ions ioof iooi iooo ioos iopl iops ioso ipil ipin iplo ipop ipos ippf ippo ipsi ipso ipsp ipss isfp isil isin isis isls isno iso- isof isol ison isop isos ispf isps issf issi isso issp isss liff lifl lifo liii liin liis lili lill lilo lils linn lino lins lio- lion lios lip- lipi lipl lipo lipp lips lisi liso lisp liss llll lloo llps lnfs lnso loff lofi lofn loif loin lois loli loll lolo lols loni lono lons loof lool loon loop loos lopi lopp lops losi loso losp loss lpfp lpns lppl lpss lsof lson lspl lsso lssp n-ii nfff nfip nfon nfps niff niip nili nill nilo nilp nils nini ninl nino nins nion nioo nios nips nisi nisl niso nisp niss nlls nlsp nnls nnnn nnos nnpi nnsl nnss nofi noif noil noin noio nois nolf noli noll nolo nolp nols non- noni nonn nono nons noo- nool noon nooo noop noos nops nos- noss npif npin nppl npsl npss nsfs nsin nsis nslp nsls nsof nsos nspi nsps nssf nsso nssp nsss off- offo offs ofno oiii oils oins oion oios olfs olin olio olis olli ollo olof olon olos olsi onil onis onlf onni onno onon onos onso ooff oofs oolo oons oooo ooos oops oosi opii opin opio opis opls opo- opon opos oppi oppo opps opsi osii osin osip osis osli oslo osno osoi osoo osos ossi osso pfff pfis pfli pfps piff pifs piip pil- pili pill pilo pils pini pinn pino pinp pins pion pipi pipo pipp pips pisi piso piss plff plif plin plio plip plis plon ploo plop plos plpp plsi plss pnin pnln pnnl pnon pnpo pnpp poff pofi poil poin poio pois poli poll polo pols poni pono ponp pons poof pool poon poop poos pop- popi popo popp pops posi posn poso poss ppif ppli pplo ppos pppn pppo pppp ppps ppsf ppss psfs psil psip psis psni psoi psol pson psos pspi pspp psps psso s-ii s-os sfio sfls sfos sfss siff sifl sifo sil- silf sili sill silo sils sini sinn sino sinp sins siol sion siop sios sipi sipo sipp sips sisi siss sl-i slip slln sllp slon sloo slop slos slpi slpp slps snip snlf snns snoo snop snos snpo snpp sofi sofo soif soil soin sois solf soli soll soln solo solp sols son- soni sono sons soof sool soon soop soos sopi sopo sopp sops sosi soso soss spfs spin spio spip spis splo splp spls spns spon spoo spop spos sppf spps spso spsp spss ssfl ssfp ssin ssis sslp ssns ssop sspf sspl sspo ssps sssf sssi ssss