ffff ffii fftf fiff fifi fifo fift fiii fini finn fino finp fint fion fipp fiti fitt fixt fixx fofo foin foix fono font foof foon foot fopp foti foto fotp fott foxx fpin ftii ftop i-no ifit ifni ifno ifpo iftn ifto iiii iiio iiit iino iioi iioo iiop iipf iitt infi info infp init inni inno ino- inoi inon inot inox inp- inpi inpp inpt inti intn into intp ioii ioio ioit ioni ionn iono ioof iooi iooo iotf ioto ipin ipix ipop ippf ippo ipto itif itin itno itof itoi iton itoo ittf itto ixxi n-ii nfff nfip nfix nfon nfto niff nift niip niit nini nino nion nioo nipt nitf niti nito nixi nixt nnit nnnn nnot nnpi nntn nofi nofx noif noin noio noit noix non- noni nonn nono nont nonx noo- noon nooo noop noot not- noti noto nott npif npin nptn ntfp ntof ntop ntto off- offo ofit ofno oftp oiii oint oion oiti onit onix onni onno onon onpt ont- onti onto ooff oont oooo ootp opii opin opio opit opo- opon oppi oppo opti optn opto otfp otif otin otit oto- otof oton otoo otpp otti otto oxi- oxo- oxof oxon oxox oxxo pfff pfft pfit piff piip pini pinn pino pinp pint pion piot pipi pipo pipp pitf piti pito pitt pitx pixo pixx pnin pnon pnot pnpo pnpp pnxt poff pofi poin poio poix poni pono ponp pont poof poon poop poot pop- popi popo popp popt potf poti poto pott ppif pppn pppo pppp pptn pptt ptop ptox tfin tfnp tfot tfox tfpt tftp tiff tifo tift tiit tini tinn tino tint tion tiop tip- tipi tipo tipp tipt titi tito titp titt tixt toff tofi tofo toft toit toni tonn tono toof toon toot top- topf topi topo topp topt toti toto tott tox- toxi toxo toxt tpon tppp tptp ttff ttfn tton ttop tttt txii x-fi xfin xftp xiii xion xito xixi xoxo xpin xpot xpto xxii xxix xxxi xxxo xxxx