-ing ffff ffii ffrr ffss fiff fifi fifo figg figl figo figs fiii fiil fili fill filn filo fils fing fini finn fino fins fion fior fios firn firs fisi fiss flig flii flin flis flog flon floo flor flos fnrs fofo fogg fogi fogl fogn fogo fogs foil foin fois foli foll folo folr fols fong fono fons foof fool foon foos for- forg fori forl forn foro forr fors fosi foso foss frig fril frin frio fris frns frog frol fron fros frso fsfi fsfo fsgs fsln fssf gfor ggfg gggg ggrn ggss giff gifs gigg gigi gign gigo gigs giis gilf gilg gili gill gilo gils ging gini ginn gino gins giog gioi gion girg giri girl girn giro girr girs giss gli- glin glis glof glog glor glos glro gnin gnof gnoo gnrr goff gofr gogi gogo gogs goif goin gois golf goli goll golo gols gon- gong goni gonn gono gons goof goog gooi gool goon goor goos gorf gorg gori gorn goro gorr gors gosi goso goss grif grig gril grin gris grni grof grog groi grol gron groo gror gros grrl grrr grrs grss gsif gsis gsli gson gsos i-go i-no ifil ifis ifni ifno ifnr ifns ifor ifrf ifri ifso iggs igil igis igli iglo igni igno igns igon igoo igor igri igso iiii iiio iiis iino iioi iioo iios iirs iisi iisr ilin ilio ilir ilis ill- illi illo ills ilni ilno ilog iloo ilos infi infl info infs ingo ings inig inis inni inno innr inns ino- inoi inol inon inor inos inri inro inrs inso inss ioii ioio iolo ioni ionn iono ions ioof iooi iooo ioos iorg iori iors ioso irgs iri- irig iril irin irio iris iron irri irrs irsf irsg isil isin isis isls isno iso- isof isol ison isor isos isrg isri issf issi isso issr isss lfng lgfl lgin liff lifg lifl lifo ligg ligi lign ligo liig liii liin liir liis lilg lili lill lilo lils ling linn lino lins lio- lion lior lios lirg liri lirl lirn liro lirr lirs lisi liso liss llll lloo lnfs lngs lnso loff lofi lofn log- logi logo logs loif loin loir lois loli loll lolo lols long loni lono lonr lons loof lool loon loor loos lori lorn loro lors losi loso loss lrif lroi lron lrrr ls-r lsof lson lsso lssr n-ii nfff nfon nfrs nfsr ngfs ngio ngns ngol ngon ngor ngos ngri ngsn niff nigg nigo nigs niir nili nill nilo nils ning nini ninl nino nins niog nion nioo nios niro nirs nisi nisl niso niss nlgn nlls nngn nnls nnnn nnos nnsl nnss nofi nogg nogo nogs noif noil noin noio noir nois nolf noli noll nolo nols non- nong noni nonn nono nons noo- nool noon nooo noor noos nor- norf norg nori norn noro norr nors nos- noss nron nrrl nsfs nsin nsis nslr nsls nsnr nsof nsos nsrl nssf nsso nssr nsss off- offo offr offs ofgo ofno ofor ogfr oggi ogin ogli ogni ognl ogog ogoi ogon ogri ogro ogsi oigo oiii oils oins oion oios olfs olgr olig olin olio olis olli ollo olof olog olon olor olos olsi ongi ongo onil onir onis onlf onni onno onon onor onos onso ooff oofs oolo oons oooo ooos oosi orff orfi orfs orgn orgo orgs ori- orif orig oril orin orio oris orlo orni orno orns oro- orof oron oror oros orri orro orrs orsi orso osgi osii osin osis osli oslo osno osnr osoi osoo osor osos osro ossi osso rffl rfgs riff rifs rigg rigi rigo rigs riif riin riis rill rilo rinf ring rinn rino riol rion rios riri rirs risi riso riss rlif rlin rlls rngs rnin rnli roff rofl rofo rogg rogi rogo roif roig roil roin roio roir rois rolf roll rolo rong roni rono rons roof roog rooi rool roon roor roos rori roro rosi roso ross rrif rrrr rsis rsnn rsno rsnr rsos rssl s-ii s-os sfio sfls sfog sfor sfos sfro sfss sggg sggs sgio sglr sgls sgnl sgro sgss siff sifl sifo sifr sigg sigi sign sigo sigs sil- silf sili sill silo sils sing sini sinn sino sins siol sion sior sios sirf siri siro sirr sirs sisi siss sl-i slig slir slln slog slon sloo slos slrn slrs snig snir snlf snns snog snoo snor snos snrs sofi sofo sogi sogn sogo sogs soif soil soin soir sois solf soli soll soln solo solr sols son- song soni sono sons soof soog sool soon soor soos sorg sori sorn soro sorr sors sosi soso soss srfi sris srni srnn srno sros ssfl ssgs ssin ssis ssns ssrg ssri ssrl ssrs sssf sssi ssss