-ing ffff ffii ffrr ffss 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 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 grif grig grin gris grni grof grog groi gron groo gror gros grrr grrs grss gsif gsis gson gsos 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 ioii ioio ioni ionn iono ions ioof iooi iooo ioos iorg iori iors ioso irgs iri- irig irin irio iris iron irri irrs irsf irsg isin isis isno iso- isof ison isor isos isrg isri issf issi isso issr isss 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 nisi niso niss nngn nnnn nnos nnss nofi nogg nogo nogs noif noin noio noir nois non- nong noni nonn nono nons noo- noon nooo noor noos nor- norf norg nori norn noro norr nors nos- noss nron nsfs nsin nsis nsnr nsof nsos nssf nsso nssr nsss 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 osgi osii osin osis osno osnr osoi osoo osor osos osro ossi osso rfgs riff rifs rigg rigi rigo rigs riif riin riis rinf ring rinn rino rion rios riri rirs risi riso riss 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 rrif rrrr rsis rsnn rsno rsnr rsos s-ii s-os sfio sfog sfor sfos sfro sfss sggg sggs sgio sgro sgss siff sifo sifr sigg sigi sign sigo sigs sing sini sinn sino sins sion sior sios sirf siri siro sirr sirs sisi siss snig snir snns snog snoo snor snos snrs 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 srfi sris srni srnn srno sros ssgs ssin ssis ssns ssrg ssri ssrs sssf sssi ssss