-up ddd ddg ddo ddp ddr dds ddu dgd dgg dgp dgr dgs dgu dod dog doo dop dor dos dou dpd dpg dpo dpp dpr dps dpu drd drg dro drp drr drs dru dsd dsg dso dsp dsr dss dsu dud dug duo dup dur dus g-d g-p gdd gdo gdp gdr gds gdu ggd ggg ggo ggp ggr ggs ggu god gog goo gop gor gos gou gpd gpg gpo gpp gpr gps gpu grd grg gro grp grr grs gru gsd gsg gso gsp gsr gss gsu gu- gud gug guo gup gur gus guu odd odg odo odp odr ods odu ogd ogg ogo ogp ogs oo- ood oog ooo oop oor oos op- opd opg opo opp opr ops or- ord org oro orp orr ors oru os- osd osg oso osp osr oss osu ou- oud ouo oup our ous p-p pdd pdg pdo pdp pdr pds pdu pgd pgg pgo pgp pgr pgs pod pog poo pop por pos pou ppd ppg ppo ppp ppr pps ppu prd prg pro prp prr prs pru ps- psd psg pso psp psr pss psu pud pug pup pur pus puu rdd rdg rdo rdp rdr rds rdu rgd rgg rgo rgp rgr rgs rod rog roo rop ror ros rou rpd rpg rpo rpp rpr rps rpu rrd rrg rrp rrr rrs rru rsd rsg rso rsp rsr rss rsu rud rug ruo rup rur rus ruu sdd sdg sdo sdp sdr sds sdu sgd sgg sgo sgp sgr sgs sgu sod sog soo sop sor sos sou spd spg spo spp spr sps spu sr- srd srg sro srp srr srs ss- ssd ssg sso ssp ssr sss ssu sud sug suo sup sur sus suu udd udg udo udp udr uds udu ugg ugo ugp ugr ugs ugu uod uog uoo uop uor uos up- upd upg upo upp upr ups upu ur- urd urg uro urp urr urs uru usd usg uso usp usr uss usu uug uur uus uuu