-ing ffff ffii ffrr ffun fiff fifi fifm fifo figg figo fiii fimo fimr fing fini finn fino fion fior firm firn fmno fmri fnuf fofo fogg fogi fogn fogo foin fomo fong fono foof foom foon for- forg fori form forn foro forr foug foun four frig frim frin frio frmn frog from fron frou frug frum frun fuff fufu fugi fugo fugu fuig fuir fumi fumo funf fung fuor fur- furg furi furm furn furo furr gfor ggfg gggg ggrn giff gifu gigg gigi gign gigo gimo ging gini ginn gino ginu giog gioi gion girg giri girn giro girr giru giur gmmr gnin gnof gnom gnoo gnrr goff gofr gofu gogi gogo goif goin gomf gomi gomn gomo gomu gon- gong goni gonn gono gonu goof goog gooi goom goon goor gorf gorg gori gorm gorn goro gorr gou- gouf goug goum goun gour grif grig grim grin grni grof grog groi grom gron groo gror grou grrr gruf grug grui grum grun grur guff gugg gugi gugu guin gumi gumm gumo gung gunn gurg guri gurn guro gurr guru i-go i-no ifim ifni ifno ifnr ifor ifrf ifri igni igno ignu igon igoo igor igri iiii iiio iinm iino iioi iioo iium imfi imin imir immi immo imno imof imon imou imri imro imrr imun infi info ingo inig inni inno innr innu ino- inoi inon inor inou inri inro inui inun ioii ioio iomo ioni ionn iono ioof iooi iooo iorg iori ioug ioun irfm irfu irgm iri- irig irin irio irmo iron irri irun iuiu iuno mfng mfor mfou mfri mgrm miff mifi migg migi migo migu miii miin miio mim- mimi mimo ming mini minn mino minu mio- mion mirg miri miro mirr miru miui mmff mmgn mmii mmmm mmor mmrf mmun mngr mnin moff mofo mofu mogg mogi mogo mogu moif moii moin moio moir momi momo momu mon- mong moni monn mono monu moog moon moor morf morg mori morn moro moru mouf moun mour mrgn mrng mron muff mufi mufu mugg mugi mugo mugu muin muir mumm mumo mumu mung muni munn muno munu muon murg muri murn muro murr muru n-ii nfff nfon ngio ngmn ngom ngon ngor ngou ngri ngur nguu niff nigg nigo niir niiu nimi nimo nimr nimu ning nini nino niog nion nioo niou niro niru niur nmff nmon nmri nngn nnnn nofi nogg nogo noif noin noio noir nom- nomi nomo nomu non- nong noni nonn nono nonu noo- noon nooo noor nor- norf norg nori norm norn noro norr noun nour nron nuff nuim nuin numi numm numu nung nunn nuno nuon nuri nurn nurr nuru off- offo offr offu ofgo ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogum ogun oigo oiii oion oium omfg omim omin omio omn- omni omo- omoi omon omoo omor omri omro omuo ongi ongo ongu onir onni onno onon onor onur ooff oooo orff orfi orfu orgn orgo ori- orif orig orin orio ormn ormo orni orno oro- orof orom oron oror orri orro orum ouff ouii ouin ouir oumi oun- oung our- ourn ouro ouu- riff rifu rigg rigi rigo rigu riif riin rimi rimm rimo rimu rinf ring rinn rino riom rion riou riri rmif rmon rmrg rnin roff rofo rogg rogi rogo roif roig roin roio roir roiu romi romm romo rong roni rono roof roog rooi room roon roor rori roro roru rouf roum roun rrif rrrr rrum rrun ruff rufo rugg rugi ruif ruin rumi rumm rumo runf rung runi runn runo ruri ruro ruru ruun uggo ugni ugri ugro ugur uguu uirr umff umfg umgo ummg ummo umno umor umri ungo ungu uni- unif unii unin unio unir unmr unni unno unon unrf unro unum uofg uofm uofo uomo uor- urff urfi urgi urgu urif urim urin uriu urmi urni uro- urom uroo urri urum urun urur uuni uuno uuri uuuu