b-p bbb bbd bbg bbo bbp bbs bdb bdd bdg bdo bdp bds bgb bgd bgg bgo bgp bgs bob bod bog boo bop bos bpb bpd bpg bpo bpp bps bsb bsd bsg bso bsp bss dbb dbd dbg dbo dbp dbs ddb ddd ddg ddo ddp dds dgd dgg dgp dgs dob dod dog doo dop dos dpb dpd dpg dpo dpp dps dsb dsd dsg dso dsp dss g-d g-p gbd gbg gbo gbp gbs gdb gdd gdo gdp gds ggb ggd ggg ggo ggp ggs gob god gog goo gop gos gpb gpd gpg gpo gpp gps gsb gsd gsg gso gsp gss ob- obb obd obg obo obp obs odb odd odg odo odp ods ogd ogg ogo ogp ogs oo- oob ood oog ooo oop oos op- opb opd opg opo opp ops os- osb osd osg oso osp oss p-p pbb pbd pbg pbo pbp pbs pdb pdd pdg pdo pdp pds pgb pgd pgg pgo pgp pgs pob pod pog poo pop pos ppb ppd ppg ppo ppp pps ps- psb psd psg pso psp pss sbb sbd sbg sbo sbp sbs sdb sdd sdg sdo sdp sds sgb sgd sgg sgo sgp sgs sob sod sog soo sop sos spb spd spg spo spp sps ss- ssb ssd ssg sso ssp sss