-th ddd ddh ddk ddo ddt dh- dhd dhh dhk dho dht dkk dko dkt dod doh dok doo dot dtd dth dtk dto dtt hdd hdh hdk hdo hdt hhd hhh hhk hho hht hkd hkh hkk hko hkt hod hoh hok hoo hot htd hth htk hto htt k-t kdh kdk kdo kdt khh khk kho kkh kkk kkt kod koh kok koo kot kth ktk kto ktt odd odh odo odt ohd ohh oho oht okd okk oko oo- ood ooh ook ooo oot ot- otd oth otk oto ott tdd tdh tdk tdo tdt th- thd thh thk tho tht tkk tko tkt to- tod toh tok too tot ttd tth ttk tto ttt