-ing ffff ffii ffss fftf fgts fiff fifi fifo fift figg figo figs fiii fing fini finn fino fins fint fion fios fisi fiss fist fiti fits fitt fofo fogg fogi fogn fogo fogs foin fois fong fono fons font foof foon foos foot fosi foso foss fost foti foto fots fott fsfi fsfo fsgs fssf ftii ftos ggfg gggg ggss giff gifs gift gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion giss gist gito gits gnin gnit gnof gnoo gnti goff gogi gogo gogs goif goin gois goit gon- gong goni gonn gono gons goof goog gooi goon goos goot gosi goso goss gost goti goto gots gott gsif gsis gson gsos gtfo gtos i-go i-no ifis ifit ifni ifno ifns ifso iftn ifto iggs igis igni igno igns igon igoo igot igso iiii iiio iiis iiit iino iioi iioo iios iisi iist iitt infi info infs ingo ings inig inis init inni inno inns ino- inoi inon inos inot inso inss inst intg inti intn into ints iogt ioii ioio ioit ioni ionn iono ions ioof iooi iooo ioos ioso iotf ioto isin isis isit isno isnt iso- isof ison isos issf issi isso isss isti isto ists itgo itgs itif itin itis itno itof itoi iton itoo itos itsf itsi itso ittf itto n-ii nfff nfon nfto ngfs ngio ngns ngon ngos ngsn ngtn ngts niff nift nigg nigo nigs nigt niit ning nini nino nins niog nion nioo nios nisi niso niss nist nitf niti nito nits nngn nnit nnnn nnos nnot nnss nntn nofi nogg nogo nogs nogt noif noin noio nois noit non- nong noni nonn nono nons nont noo- noon nooo noos noot nos- noss nost not- noti noto nots nott nsfs nsin nsis nsof nsos nssf nsso nsss nsts ntfs ntis ntof ntsf ntss ntto off- offo offs ofgo ofit ofno ofst oggi ogin ogni ogog ogoi ogon ogsi oigo oiii oins oint oion oios oist oiti ongi ongo onis onit onni onno onon onos onso onst ont- onti onto ooff oofs oons oont oooo ooos oosi oost oots osgi osii osin osis osno osoi osoo osos ossi osso osti osts otif otin otis otit oto- otof otog oton otoo otos otsg otso otti otto otts s-ii s-os sfio sfnt sfog sfos sfss sfts sggg sggs sgio sgss sgts siff sifo sift sigg sigi sign sigo sigs siit sing sini sinn sino sins sint sion sios siot sisi siss sist sit- siti sitn sito sits sitt snig snit snns snog snoo snos snot sofi sofo soft sogi sogn sogo sogs soif soin sois soit son- song soni sono sons sont soof soog soon soos soot sosi soso soss sost sotn soto sots ssgs ssgt ssin ssis ssit ssns ssot sssf sssi ssss ssts stfn stif stig stio stis stit stng stnn stns stof stog ston stoo stos stot stsf stsi stss tfin tfot tfsi tfss tgif tgts tiff tifo tift tigi tigs tiit ting tini tinn tino tins tint tion tios tisi tiso tiss tist titi tito tits titt tngs tnts toff tofi tofo toft togo togs togt tois toit tong toni tonn tono tons toof toon toos toot tosi toso toss tost toti toto tots tott tsgt tsig tsin tsis tsoi tsos tssf tssg tssi tsst tsts ttff ttfn tton ttss tttt