-ing ffff ffii fiff fifi fifo figg figl figo fiii fiil fili fill filn filo fing fini finn fino finp fion fipp flig flii flin flip flog flon floo flop fofo fogg fogi fogl fogn fogo foil foin foli foll folo fong fono foof fool foon fopp fpin ggfg gggg ggpo giff gigg gigi gign gigo gilf gilg gili gill gilo ging gini ginn gino giog gioi gion giop gipf gipi gipp gli- glin glip glof glog glop glpi gnin gnip gnof gnoo goff gogi gogo goif goin goip golf goli goll golo golp gon- gong goni gonn gono goof goog gooi gool goon goop gopi gopo gpgp gpip i-go i-no ifil ifni ifno ifpo igil igli iglo igni igno igon igoo iiii iiio iino iioi iioo iiop iipf ilin ilio ill- illi illo illp ilni ilno ilog iloo infi infl info infp ingo inig inni inno ino- inoi inol inon inp- inpi inpp ioii ioio iolo ioni ionn iono ioof iooi iooo iopl ipil ipin iplo ipop ippf ippo lfng lgfl lgin liff lifg lifl lifo ligg ligi lign ligo liig liii liin lilg lili lill lilo ling linn lino lio- lion lip- lipi lipl lipo lipp llll lloo loff lofi lofn log- logi logo logp loif loin loli loll lolo long loni lono loof lool loon loop lopi lopp lpfp lppl n-ii nfff nfip nfon ngio ngol ngon niff nigg nigo niip nili nill nilo nilp ning nini ninl nino niog nion nioo nlgn nngn nnnn nnpi nofi nogg nogo noif noil noin noio nolf noli noll nolo nolp non- nong noni nonn nono noo- nool noon nooo noop npif npin nppl off- offo ofgo ofno oggi ogin ogli ogni ognl ogog ogoi ogon ogpl oigo oiii oion olig olin olio olli ollo olof olog olon ongi ongo onil onlf onni onno onon onpg ooff oolo oooo opii opin opio opng opo- opon oppi oppo pfff pfli pglo piff pigf pigg pign pigo pigp piip pil- pili pill pilo ping pini pinn pino pinp pion pipi pipo pipp plff plif plig plin plio plip plog plon ploo plop plpp pnin pnln pnnl pnon pnpo pnpp poff pofi pogg pogo poil poin poio polg poli poll polo pong poni pono ponp poof pool poon poop pop- popi popo popp ppgi ppif ppig ppli pplo pppn pppo pppp