ddd ddh ddk ddn ddo ddy dh- dhd dhh dhk dho dkk dko dnd dnh dnk dnn dno dny dod doh dok don doo doy dy- dyd dyk dyn dyo dyy hdd hdh hdk hdn hdo hdy hhd hhh hhk hhn hho hhy hkd hkh hkk hkn hko hnd hnh hnk hnn hno hny hod hoh hok hon hoo hoy hy- hyd hyh hyn hyo hyy kdh kdk kdo kdy khh khk khn kho kkh kkk kkn kky kn- knd knk knn kno kod koh kok kon koo koy kyd kyn kyo ndd ndh ndk ndn ndo ndy nhd nhh nhk nhn nhy nkk nkn nko nky nnh nnk nnn nno no- nod noh nok non noo noy nyd nyk nyn nyo nyy odd odh odn odo ohd ohh ohn oho okd okk oko on- ond onh onk onn ono ony oo- ood ooh ook oon ooo oyd oyo ydn ydo ydy ykk ykn ynd ynk ynn yny yod yok yon yoo yoy yyy