-th ddd ddh ddo ddt ddu ddy dh- dhd dhh dho dht dhu dod doh doo dot dou doy dtd dth dto dtt dtu dty dud duh duo dut duy dy- dyd dyo dyu dyy hdd hdh hdo hdt hdu hdy hhd hhh hho hht hhu hhy hod hoh hoo hot hou hoy htd hth hto htt hty hud huh huo hut huu huy hy- hyd hyh hyo hyt hyy odd odh odo odt odu ohd ohh oho oht ohu oo- ood ooh ooo oot ot- otd oth oto ott otu ou- oud ouh ouo out oyd oyo tdd tdh tdo tdt tdu tdy th- thd thh tho tht thu thy to- tod toh too tot tou toy ttd tth tto ttt ttu tty tud tuh tuo tut tuu tuy tyd tyo tyt udd udo udt udu uhd uhh uho uht uhu uhy uod uoo uot utd uth uto utt utu uty uut uuu uyo uyu ydo ydt ydy yht yhu yod yoo yot you yoy ytd yth yto ytt ytu yud yuh yuo yut yuu yuy yyt yyu yyy