-ing ffff ffii fftf fiff fifi fifo fift figg figo fiii fing fini finn fino finp fint fion fipp fiti fitt fofo fogg fogi fogn fogo foin fong fono font foof foon foot fopp foti foto fotp fott fpgt fpin ftii ftop gftp ggfg gggg ggpo giff gift gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipf gipi gipp gito gnin gnip gnit gnof gnoo gnti gntp goff gogi gogo goif goin goip goit gon- gong goni gonn gono goof goog gooi goon goop goot gopi gopo goti goto gott gpgp gpip gpot gtfo gtip gtop i-go i-no ifit ifni ifno ifpo iftn ifto igni igno igon igoo igot iiii iiio iiit iino iioi iioo iiop iipf iitt infi info infp ingo inig init inni inno ino- inoi inon inot inp- inpi inpp inpt intg inti intn into intp iogt ioii ioio ioit ioni ionn iono ioof iooi iooo iotf ioto ipin ipop ippf ippo ipto itgo itif itin itno itof itoi iton itoo ittf itto n-ii nfff nfip nfon nfto ngio ngon ngtn niff nift nigg nigo nigt niip niit ning nini nino niog nion nioo nipt nitf niti nito nngn nnit nnnn nnot nnpi nntn nofi nogg nogo nogt noif noin noio noit non- nong noni nonn nono nont noo- noon nooo noop noot not- noti noto nott npif npin nptn ntfp ntof ntop ntto off- offo ofgo ofit ofno oftp oggi ogin ogni ogog ogoi ogon oigo oiii oint oion oiti ongi ongo onit onni onno onon onpg onpt ont- onti onto ooff oont oooo ootp opii opin opio opit opng opo- opon oppi oppo opti optn opto otfp otif otin otit oto- otof otog oton otoo otpp otti otto pfff pfft pfit piff pigf pigg pign pigo pigp pigt piip ping pini pinn pino pinp pint pion piot pipi pipo pipp pitf piti pito pitt pnin pnon pnot pnpo pnpp poff pofi pogg pogo poin poio pong poni pono ponp pont poof poon poop poot pop- popi popo popp popt potf poti poto pott ppgi ppif ppig pppn pppo pppp pptn pptt ptop tfin tfnp tfot tfpt tftp tgif tiff tifo tift tigi tiit ting tini tinn tino tint tion tiop tip- tipi tipo tipp tipt titi tito titp titt toff tofi tofo toft togo togt toit tong toni tonn tono toof toon toot top- topf topi topo topp topt toti toto tott tpon tppp tptp ttff ttfn tton ttop tttt