-ing ffff ffii ffrr ffss ffvs fiff fifi fifo figg figo figs fiii fing fini finn fino fins fion fior fios firn firs fisi fiss fnrs fofo fogg fogi fogn fogo fogs foin fois fong fono fons foof foon foos for- forg fori forn foro forr fors fosi foso foss fr-v frig frin frio fris frns frog fron fros frso fsfi fsfo fsgs fssf gfor ggfg gggg ggrn ggss giff gifs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion girg giri girn giro girr girs giss gnin gnof gnoo gnrr goff gofr gogi gogo gogs goif goin gois gon- gong goni gonn gono gons goof goog gooi goon goor goos gorf gorg gori gorn goro gorr gors gosi goso goss govi govs grif grig grin gris grni grof grog groi gron groo gror gros grov grrr grrs grss gsif gsis gson gsos gvfs gvvv i-go i-no ifis ifni ifno ifnr ifns ifor ifrf ifri ifso iggs igis igni igno igns igon igoo igor igri igso iiii iiio iiis iino iioi iioo iios iirs iisi iisr infi info infs ingo ings inig inis inni inno innr inns ino- inoi inon inor inos inri inro inrs inso inss invs ioii ioio ioni ionn iono ions ioof iooi iooo ioos iorg iori iors ioso irgs iri- irig irin irio iris iron irov irri irrs irsf irsg irvs isin isis isno iso- isof ison isor isos isrg isri issf issi isso issr isss ivig ivin ivon ivor ivrs n-ii nfff nfon nfrs nfsr ngfs ngio ngns ngon ngor ngos ngri ngsn niff nigg nigo nigs niir ning nini nino nins niog nion nioo nios niro nirs nirv nisi niso niss nivo nivr nngn nnnn nnos nnss nofi nogg nogo nogs noif noin noio noir nois non- nong noni nonn nono nons noo- noon nooo noor noos noov nor- norf norg nori norn noro norr nors norv nos- noss nov- novi novo nron nrsv nsfs nsin nsis nsnr nsof nsos nssf nsso nssr nsss nvfr nvfs nvir nvis nvss off- offo offr offs ofgo ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogri ogro ogsi oigo oiii oins oion oios ongi ongo onir onis onni onno onon onor onos onso ooff oofs oons oooo ooos oosi orff orfi orfs orgn orgo orgs ori- orif orig orin orio oris orni orno orns oro- orof oron oror oros orri orro orrs orsi orso orvr orvs osgi osii osin osis osno osnr osoi osoo osor osos osov osro ossi osso ovi- ovis ovni ovo- ovon ovoo rfgs riff rifs rigg rigi rigo rigs riif riin riis rinf ring rinn rino rion rios riri rirs risi riso riss rivo rivs rngs rnin roff rofo rogg rogi rogo roif roig roin roio roir rois rong roni rono rons roof roog rooi roon roor roos rori roro rosi roso ross rovi rovo rovs rrif rrrr rsis rsnn rsno rsnr rsos s-ii s-iv s-os sfio sfog sfor sfos sfro sfss sggg sggs sgio sgro sgss sgsv siff sifo sifr sigg sigi sign sigo sigs sing sini sinn sino sins sion sior sios sirf siri siro sirr sirs sisi siss sivi snig snir snns snog snoo snor snos snov snrs snvi sofi sofo sogi sogn sogo sogs soif soin soir sois son- song soni sono sons soof soog soon soor soos sorg sori sorn soro sorr sors sosi soso soss sosv sovo sovs srfi sris srni srnn srno sros srvn ssgs ssin ssis ssns ssrg ssri ssrs sssf sssi ssss svir svns svor svrg vfor viff vigo vigr vigs viii ving vini vino vins vion vios virg viri viro virr visi visn viso viss vivi vivo vnir vnso voff vofr voin voio voir vois voni vonn vons voog voor vor- vori voro vors vosi voso voss vrin vrio vris vrnn vron vrsi vsfs vvog vvvv