ddd ddg ddo ddr dds ddt dgd dgg dgr dgs dgt dod dog doo dor dos dot drd drg dro drr drs drt dsd dsg dso dsr dss dst dtd dtg dto dtr dts dtt g-d gdd gdo gdr gds gdt ggd ggg ggo ggr ggs ggt god gog goo gor gos got grd grg gro grr grs grt gsd gsg gso gsr gss gst gtd gtg gto gtr gts gtt odd odg odo odr ods odt ogd ogg ogo ogs ogt oo- ood oog ooo oor oos oot or- ord org oro orr ors ort os- osd osg oso osr oss ost ot- otd otg oto otr ots ott rdd rdg rdo rdr rds rdt rgd rgg rgo rgr rgs rgt rod rog roo ror ros rot rrd rrg rrr rrs rrt rsd rsg rso rsr rss rst rtd rtg rto rtr rts rtt sdd sdg sdo sdr sds sdt sgd sgg sgo sgr sgs sgt sod sog soo sor sos sot sr- srd srg sro srr srs srt ss- ssd ssg sso ssr sss sst std stg sto str sts stt tdd tdg tdo tdr tds tdt tgg tgo tgr tgs tgt to- tod tog too tor tos tot trd trg tro trr trs trt tsd tsg tso tsr tss tst ttd ttg tto ttr tts ttt