ffff ffii ffrr fftf fiff fifi fift figg fiii fiti fitt frig frit frug ftii fuff fufu fugi fugu fuig fuir fuit fur- furg furi furr furt futi futu ggfg gggg giff gift gifu gigg gigi girg giri girr girt giru giur grif grig grit grrr gruf grug grui grur grut guff gugg gugi gugu gurg guri gurr gurt guru guti gutt gutu ifit ifrf ifri igri iiii iiit iitr iitt irfu iri- irig irri irtf irti itif itrf itri ittf itur iuiu rgit rgtr riff rift rifu rigg rigi rigu riif riri riti ritt ritu rrif rrrr ruff ruft rugg rugi ruif ruit ruri ruru ruti rutt rutu tgif tiff tift tigi tigr tiit tiiu tiri tirr tiru titi titt titu trfr tri- trif trig trit trtr trug trut truu ttff tttt tuff tufi tuft tufu tugg tugu tuig tuit tuiu turf turg turi turr turt turu tuti tutt tutu uggt ugri ugur uguu uirr urff urfi urft urgi urgu urif uriu urri urur urut utri utti uttu utug uuri uutf uuuu