ddd ddm ddo ddr dds ddy dmd dmm dmo dmr dms dod dom doo dor dos doy drd drm dro drr drs dry dsd dsm dso dsr dss dsy dy- dyd dym dyo dyr dys dyy m-o m-r mdd mdm mdo mdr mds mdy mmd mmm mmo mmr mms mod mom moo mor mos moy mrd mrm mro mrr mrs mry msd msm mso msr mss msy my- myd mym myo myr mys odd odm odo odr ods om- omd omm omo omr oms omy oo- ood oom ooo oor oos or- ord orm oro orr ors ory os- osd osm oso osr oss oyd oyo oys rdd rdm rdo rdr rds rdy rmd rmm rmo rmr rms rod rom roo ror ros roy rrd rrm rrr rrs rsd rsm rso rsr rss ry- ryd rym ryo ryr rys ryy sdd sdm sdo sdr sds sdy smd smm smo smr sms smy sod som soo sor sos soy sr- srd srm sro srr srs sry ss- ssd ssm sso ssr sss sy- syd sym syr sys ydo yds ydy ymm ymo yms yod yom yoo yor yos yoy yro yrs ysm yso ysr yss ysy yys yyy