ddd ddh ddm ddo dds dh- dhd dhh dhm dho dhs dmd dmh dmm dmo dms dod doh dom doo dos dsd dsh dsm dso dss hdd hdh hdm hdo hds hhd hhh hhm hho hhs hmd hmh hmm hmo hms hod hoh hom hoo hos hsd hsh hsm hss m-o mdd mdh mdm mdo mds mhd mhh mhm mho mhs mmd mmh mmm mmo mms mod moh mom moo mos msd msh msm mso mss odd odh odm odo ods ohd ohh ohm oho ohs om- omd omh omm omo oms oo- ood ooh oom ooo oos os- osd osh osm oso oss sdd sdh sdm sdo sds sh- shd shh shm sho shs smd smh smm smo sms sod soh som soo sos ss- ssd ssh ssm sso sss