dddd ddly didi didu didy dif- diff dify diii dilf dili dill dily diyi diyu dlii dlil dudd dudu duff dufu dufy duid duif duil duli dull dulu duly duul duyl dydd dyf- dyfi dyll ffff ffii fidf fiff fifi fiii fiil fild fili fill flid flii flud fluf fluy flyi fudd fudi fuff fufu fuid fuil fuli full fulu fuyl fuyu fyfi fyld fyli idid idil idli idly idyl iffy ifid ifil iiii ill- illd illi illy ilud iluy iuiu ldif lidl liff lifl liii lili lill lilu lily liuf liyl liyu llll llud ludd ludi luff lufu luif luli lull lulu luyi lydd lyff lyfy lyif lyly lyyf uddi udid ulli ully ulul uulu uuuu ydil ydul yidi yidu yiff yild yili yill yiud ylid ylli yudu yuff yufu yuli yulu yuyu yyff yyyy