bbb bbd bbg bbo bbr bbs bbt bdb bdd bdg bdo bdr bds bdt bgb bgd bgg bgo bgr bgs bgt bob bod bog boo bor bos bot brb brd brg bro brr brs brt bsb bsd bsg bso bsr bss bst btb btd btg bto btr bts btt dbb dbd dbg dbo dbr dbs dbt ddb ddd ddg ddo ddr dds ddt dgd dgg dgr dgs dgt dob dod dog doo dor dos dot drb drd drg dro drr drs drt dsb dsd dsg dso dsr dss dst dtb dtd dtg dto dtr dts dtt g-d gbd gbg gbo gbr gbs gbt gdb gdd gdo gdr gds gdt ggb ggd ggg ggo ggr ggs ggt gob god gog goo gor gos got grb grd grg gro grr grs grt gsb gsd gsg gso gsr gss gst gtb gtd gtg gto gtr gts gtt ob- obb obd obg obo obr obs obt odb odd odg odo odr ods odt ogd ogg ogo ogs ogt oo- oob ood oog ooo oor oos oot or- orb ord org oro orr ors ort os- osb osd osg oso osr oss ost ot- otb otd otg oto otr ots ott rbb rbd rbg rbo rbr rbs rbt rdb rdd rdg rdo rdr rds rdt rgb rgd rgg rgo rgr rgs rgt rob rod rog roo ror ros rot rrb rrd rrg rrr rrs rrt rsb rsd rsg rso rsr rss rst rtb rtd rtg rto rtr rts rtt sbb sbd sbg sbo sbr sbs sbt sdb sdd sdg sdo sdr sds sdt sgb sgd sgg sgo sgr sgs sgt sob sod sog soo sor sos sot sr- srb srd srg sro srr srs srt ss- ssb ssd ssg sso ssr sss sst stb std stg sto str sts stt tbb tbd tbg tbo tbr tbs tbt tdb tdd tdg tdo tdr tds tdt tgb tgg tgo tgr tgs tgt to- tob tod tog too tor tos tot trb trd trg tro trr trs trt tsb tsd tsg tso tsr tss tst ttb ttd ttg tto ttr tts ttt