ffff ffii fiff fifi fifo fiii fiil fili fill filn filo fini finn fino finp fion fipp flii flin flip flon floo flop flow fofo foil foin foli foll folo fono foof fool foon fopp fowl fpin fwiw i-no ifil ifni ifno ifpo iiii iiio iino iioi iioo iiop iipf iiwi ilin ilio ill- illi illo illp ilni ilno iloo ilow infi infl info infp inni inno ino- inoi inol inon inow inp- inpi inpp inw- inwi ioii ioio iolo ioni ionn iono ioof iooi iooo iopl iown ipil ipin iplo ipop ippf ippo iwfl iwil iwin iwiw iwno iwon liff lifl lifo liii liin lili lill lilo linn lino lio- lion lip- lipi lipl lipo lipp llll llnw lloo loff lofi lofn loif loin loli loll lolo loni lono loof lool loon loop lopi lopp lowi lowl lown lowp loww lpfp lppl lwip lwoo lwow n-ii nfff nfip nfon niff niip nili nill nilo nilp nini ninl nino nion nioo nlow nnnn nnpi nofi noif noil noin noio nolf noli noll nolo nolp non- noni nonn nono nonw noo- nool noon nooo noop nowi nowl nown npif npin nppl nwpp off- offo ofno oiii oion olin olio olli ollo olof olon onil onlf onni onno onon ooff oolo oooo opii opin opio opo- opon oppi oppo owli owni owow pfff pfli piff piip pil- pili pill pilo pini pinn pino pinp pion pipi pipo pipp piwi plff plif plin plio plip plon ploo plop plow plpp pnin pnln pnnl pnon pnpo pnpp poff pofi poil poin poio poli poll polo poni pono ponp poof pool poon poop pop- popi popo popp powl powp ppif ppli pplo pppn pppo pppp pwll wfff wffn wfif wfil wfin wfiw wflf wfli wfll wfln wflo wflw wfnf wfni wfnl wfnn wfno wfnp wfnw wfon wfpf wfpl wfwi wfwl wfwn wfwo wiff wifi wifl wifn wifo wiif wiii wiil wiin wil- wilf wili will wiln wilo wilp wilw wini winl winn wino winw wioi wiol wion wioo wiop wipi wipo wipp wiwf wiwi wiwn wlff wlfl wlfn wlfp wlfw wlif wlil wlio wlip wliw wllf wlli wlll wlln wllw wlni wlnl wlno wlof wlol wlon wloo wlop wlpo wlpw wlwf wlwi wlwl wnfl wnfn wnfo wnil wnin wnio wniw wnlf wnlo wnnf wnnl wnnw wnoi wnoo wnop wnow wnpl wnwf wnwi wnwn wnww woff wofl wofn woio wolf woli woll wolp wolw wonn wonw woof wool woon woop woow wopi wopp wowf wowi wowl wown wowo wowp woww wpff wpfl wpfo wpfp wpfw wpil wpin wpio wpip wpll wpln wplo wplp wplw wpni wpnn wpnw wpoi wpol wpon wpop wpow wppi wppl wppn wwfl wwfp wwfw wwii wwil wwin wwio wwip wwlf wwli wwll wwln wwlp wwlw wwnl wwnn wwno wwnw wwof wwol wwon wwow wwpl wwpn wwpw wwwi wwwl wwwn wwww