ddd ddg ddm ddo dds dgd dgg dgm dgs dmd dmg dmm dmo dms dod dog dom doo dos dsd dsg dsm dso dss g-d gdd gdm gdo gds ggd ggg ggm ggo ggs gmd gmg gmm gmo gms god gog gom goo gos gsd gsg gsm gso gss m-o mdd mdg mdm mdo mds mgd mgm mgo mgs mmd mmg mmm mmo mms mod mog mom moo mos msd msg msm mso mss odd odg odm odo ods ogd ogg ogo ogs om- omd omg omm omo oms oo- ood oog oom ooo oos os- osd osg osm oso oss sdd sdg sdm sdo sds sgd sgg sgm sgo sgs smd smg smm smo sms sod sog som soo sos ss- ssd ssg ssm sso sss