-ing ffff ffii ffrr fiff fifi fifo figg figo fiii fing fini finn fino fion fior firn fofo fogg fogi fogn fogo foin fong fono foof foon for- forg fori forn foro forr fr-v frig frin frio frog fron gfor ggfg gggg ggrn giff gigg gigi gign gigo ging gini ginn gino giog gioi gion girg giri girn giro girr gnin gnof gnoo gnrr goff gofr gogi gogo goif goin gon- gong goni gonn gono goof goog gooi goon goor gorf gorg gori gorn goro gorr govi grif grig grin grni grof grog groi gron groo gror grov grrr gvvv i-go i-no ifni ifno ifnr ifor ifrf ifri igni igno igon igoo igor igri iiii iiio iino iioi iioo infi info ingo inig inni inno innr ino- inoi inon inor inri inro ioii ioio ioni ionn iono ioof iooi iooo iorg iori iri- irig irin irio iron irov irri ivig ivin ivon ivor n-ii nfff nfon ngio ngon ngor ngri niff nigg nigo niir ning nini nino niog nion nioo niro nirv nivo nivr nngn nnnn nofi nogg nogo noif noin noio noir non- nong noni nonn nono noo- noon nooo noor noov nor- norf norg nori norn noro norr norv nov- novi novo nron nvfr nvir off- offo offr ofgo ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogri ogro oigo oiii oion ongi ongo onir onni onno onon onor ooff oooo orff orfi orgn orgo ori- orif orig orin orio orni orno oro- orof oron oror orri orro orvr ovi- ovni ovo- ovon ovoo riff rigg rigi rigo riif riin rinf ring rinn rino rion riri rivo rnin roff rofo rogg rogi rogo roif roig roin roio roir rong roni rono roof roog rooi roon roor rori roro rovi rovo rrif rrrr vfor viff vigo vigr viii ving vini vino vion virg viri viro virr vivi vivo vnir voff vofr voin voio voir voni vonn voog voor vor- vori voro vrin vrio vrnn vron vvog vvvv