-th ddd ddh ddm ddo ddt dh- dhd dhh dhm dho dht dmd dmh dmm dmo dmt dod doh dom doo dot dtd dth dtm dto dtt hdd hdh hdm hdo hdt hhd hhh hhm hho hht hmd hmh hmm hmo hmt hod hoh hom hoo hot htd hth htm hto htt m-o mdd mdh mdm mdo mdt mhd mhh mhm mho mht mmd mmh mmm mmo mmt mod moh mom moo mot mtd mth mtm mto mtt odd odh odm odo odt ohd ohh ohm oho oht om- omd omh omm omo omt oo- ood ooh oom ooo oot ot- otd oth otm oto ott tdd tdh tdm tdo tdt th- thd thh thm tho tht tmd tmh tmm tmo tmt to- tod toh tom too tot ttd tth ttm tto ttt