ddd ddk ddm ddo ddp dds dkk dkm dko dkp dks dmd dmk dmm dmo dmp dms dod dok dom doo dop dos dpd dpk dpm dpo dpp dps dsd dsk dsm dso dsp dss kdk kdm kdo kdp kds kkk kkm kkp kks kmd kmk kmm kmo kmp kms kod kok kom koo kop kos kpd kpk kpm kpo kpp kps ksd ksk ksm kso ksp kss m-o mdd mdk mdm mdo mdp mds mkd mkk mkm mko mkp mks mmd mmk mmm mmo mmp mms mod mok mom moo mop mos mpd mpk mpm mpo mpp mps msd msk msm mso msp mss odd odm odo odp ods okd okk oko okp oks om- omd omm omo omp oms oo- ood ook oom ooo oop oos op- opd opk opm opo opp ops os- osd osk osm oso osp oss p-p pdd pdk pdm pdo pdp pds pkd pkm pko pkp pks pmd pmk pmm pmo pmp pms pod pok pom poo pop pos ppd ppk ppm ppo ppp pps ps- psd psk psm pso psp pss sdd sdk sdm sdo sdp sds sk- skd skk skm sko skp sks smd smk smm smo smp sms sod sok som soo sop sos spd spk spm spo spp sps ss- ssd ssk ssm sso ssp sss