dddd didi didu dif- diff diii diiv dilf dili dill divd divi dlii dlil dliv dlvi dudd dudu duff dufu duid duif duil duli dull dulu duul dvi- dvii dvlf dvvl ffff ffii fidf fiff fifi fiii fiil fild fili fill flid flii flud fluf fudd fudi fuff fufu fuid fuil fuli full fulu idid idil idli idvd ifid ifil iiii ill- illd illi ilud iluv iuiu lddv ldif lidl liff lifl liii liiv lili lill lilu liuf livi llll llud ludd ludi luff lufu luif luli lull lulu luvd lvii lviv uddi udid ulli ulul ulvi uulu uuuu uvid uvvu vfli vidi viff viii vild vili vill vilu vivi vldl vlli vudi vudu vulf vull vvvv