-ing ffff ffii ffrr fftf ffun fiff fifi fifo fift figg figo fiii fing fini finn fino fint fion fior firn fiti fitt fnuf fofo fogg fogi fogn fogo foin fong fono font foof foon foot for- forg fori forn foro forr fort foti foto fott foug foun four fout frig frin frio frit frog fron frot frou frug frun ftii fuff fufu fugi fugo fugu fuig fuir fuit funf fung funt fuor fur- furg furi furn furo furr furt futi futo futu gfor ggfg gggg ggrn giff gift gifu gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion girg giri girn giro girr girt giru gito giur gnin gnit gnof gnoo gnrr gnti goff gofr gofu gogi gogo goif goin goit gon- gong goni gonn gono gonu goof goog gooi goon goor goot gorf gorg gori gorn goro gorr gort goti goto gott gou- gouf goug goun gour gout grif grig grin grit grni grof grog groi gron groo gror grot grou grrr gruf grug grui grun grur grut gtfo guff gugg gugi gugu guin gung gunn gunt gurg guri gurn guro gurr gurt guru guti guto gutt gutu i-go i-no ifit ifni ifno ifnr ifor ifrf ifri iftn ifto igni igno ignu igon igoo igor igot igri iiii iiio iiit iino iioi iioo iitr iitt infi info ingo inig init inni inno innr innu ino- inoi inon inor inot inou inri inro intg inti intn into intr intu inui inun iogt ioii ioio ioit ioni ionn iono ioof iooi iooo iorg iori iotf ioto ioug ioun irfu iri- irig irin irio iron irri irtf irti irun itgo itif itin itno itof itoi iton itoo itor itou itrf itri ittf itto itur iuiu iuno n-ii nfff nfon nfto ngio ngon ngor ngou ngri ngtn ngur nguu niff nift nigg nigo nigt niir niit niiu ning nini nino niog nion nioo niou niro nirt niru nitf niti nito nitr niur nngn nnit nnnn nnot nntn nofi nogg nogo nogt noif noin noio noir noit non- nong noni nonn nono nont nonu noo- noon nooo noor noot nor- norf norg nori norn noro norr nort not- noti noto nott noun nour nout nron ntnu ntof ntru ntto nttr ntui nuff nuin nuit nung nunn nuno nunt nuon nuri nurn nurr nurt nuru nutt nutu off- offo offr offu ofgo ofit ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogun oigo oiii oint oion oirt oiti ongi ongo ongu onir onit onni onno onon onor ont- onti onto onur onut ooff oont oooo oort orff orfi orfu orgn orgo ori- orif orig orin orio orit orni orno oro- orof oron oror orot orri orro orto otif otin otit oto- otof otog oton otoo otor otro otti otto ottu otur ouff ouii ouin ouir ouit oun- oung our- ourn ouro ourt out- outi outo ouu- rgit rgtr riff rift rifu rigg rigi rigo rigu riif riin rinf ring rinn rino rion riot riou riri riti rito ritt ritu rnin rnnt rnot rnut roff rofo rogg rogi rogo roif roig roin roio roir roit roiu rong roni rono ront roof roog rooi roon roor root rori roro rort roru rotg roti rotn roto rotr rott rouf roun rout rrif rrrr rrun ruff rufo ruft rugg rugi ruif ruin ruit runf rung runi runn runo runt ruri ruro ruru ruti ruto rutt rutu ruun tfin tfot tgif tiff tifo tift tigi tigr tiit tiiu ting tini tinn tino tint tinu tion tiou tiri tiro tirr tiru titi tito titt titu tnut toff tofi tofo toft tofu togo togr togt toit tong toni tonn tono tonu toof toon toor toot torf torg tori torn toro torr tort toru toti toto totr tott toug toui toun tour tout trfr tri- trif trig trin trio trit trng trno trog troi tron troo trot trou trtr trug trun trut truu ttff ttfn tton tttt tuff tufi tufo tuft tufu tugg tugu tuig tuin tuit tuiu tung tuni tunn tuno tunu tuor turf turg turi turn turo turr turt turu tuti tuto tutt tutu tuuo uggo uggt ugni ugri ugro ugur uguu uint uirr ungo ungu uni- unif unii unin unio unir unit unni unno unon unrf unro unto unut uofg uofo uor- urff urfi urft urgi urgu urif urin uriu urni uro- uroo urri urun urur urut utfo utin utor utri utti utto uttu utug uuni uuno uuri uutf uuuu