dddd ddry dfrf dfri didi didu didy dif- diff dify diii dird dirr diyi diyu drif drui druu dry- dryf dudd dudu duff dufu dufy duid duif duir duri duru dury duur duyr dydd dyf- dyfi dyr- dyrf dyri dyru dyur dyyr fdry ffff ffii ffrr fidf fiff fifi fiii firy frid fudd fudi fuff fufu fuid fuir fur- furi furr fury fuyu fyfi fyrd fyry idid idir idrf iffy ifid ifrf ifri iiii irfu iri- irid iriy irri iuiu rfdi rfid ridd ridi riff rifu riif riri riyf rrif rrrr rudd rudi rudy ruff ruid ruif rurd ruri ruru ruud ruyd ruyi rydy ryff ryif ryyf uddi udid udir uirr urdu urdy urff urfi urif uriu urri urry urur uuri uuuu uyir yidi yidu yiff yird yirr yiud yudu yuff yufu yurd yuri yury yuyu yyff yyyy