ddd ddh ddo ddp dds dh- dhd dhh dho dhp dhs dod doh doo dop dos dpd dph dpo dpp dps dsd dsh dso dsp dss hdd hdh hdo hdp hds hhd hhh hho hhp hhs hod hoh hoo hop hos hpd hph hpo hpp hps hsd hsh hsp hss odd odh odo odp ods ohd ohh oho ohp ohs oo- ood ooh ooo oop oos op- opd oph opo opp ops os- osd osh oso osp oss p-p pdd pdh pdo pdp pds phd pho php phs pod poh poo pop pos ppd pph ppo ppp pps ps- psd psh pso psp pss sdd sdh sdo sdp sds sh- shd shh sho shp shs sod soh soo sop sos spd sph spo spp sps ss- ssd ssh sso ssp sss