ffff ffii ffrr fftf fiff fifi fifo fift figg figo fiii fior fiti fitt fofo fogg fogi fogo foof foot for- forg fori foro forr fort foti foto fott frig frio frit frog frot ftii gfor ggfg gggg giff gift gigg gigi gigo giog gioi girg giri giro girr girt gito goff gofr gogi gogo goif goit goof goog gooi goor goot gorf gorg gori goro gorr gort goti goto gott grif grig grit grof grog groi groo gror grot grrr gtfo i-go ifit ifor ifrf ifri ifto igoo igor igot igri iiii iiio iiit iioi iioo iitr iitt iogt ioii ioio ioit ioof iooi iooo iorg iori iotf ioto iri- irig irio irri irtf irti itgo itif itof itoi itoo itor itrf itri ittf itto off- offo offr ofgo ofit ofor ogfr oggi ogog ogoi ogri ogro oigo oiii oirt oiti ooff oooo oort orff orfi orgo ori- orif orig orio orit oro- orof oror orot orri orro orto otif otit oto- otof otog otoo otor otro otti otto rgit rgtr riff rift rigg rigi rigo riif riot riri riti rito ritt roff rofo rogg rogi rogo roif roig roio roir roit roof roog rooi roor root rori roro rort rotg roti roto rotr rott rrif rrrr tfot tgif tiff tifo tift tigi tigr tiit tiri tiro tirr titi tito titt toff tofi tofo toft togo togr togt toit toof toor toot torf torg tori toro torr tort toti toto totr tott trfr tri- trif trig trio trit trog troi troo trot trtr ttff tttt