b-u bbb bbd bbg bbr bbs bbt bbu bdb bdd bdg bdr bds bdt bdu bgb bgd bgg bgr bgs bgt bgu brb brd brg brr brs brt bru bsb bsd bsg bsr bss bst bsu btb btd btg btr bts btt btu bub bud bug bur bus but buu dbb dbd dbg dbr dbs dbt dbu ddb ddd ddg ddr dds ddt ddu dgd dgg dgr dgs dgt dgu drb drd drg drr drs drt dru dsb dsd dsg dsr dss dst dsu dtb dtd dtg dtr dts dtt dtu dub dud dug dur dus dut g-d gbd gbg gbr gbs gbt gbu gdb gdd gdr gds gdt gdu ggb ggd ggg ggr ggs ggt ggu grb grd grg grr grs grt gru gsb gsd gsg gsr gss gst gsu gtb gtd gtg gtr gts gtt gtu gu- gub gud gug gur gus gut guu rbb rbd rbg rbr rbs rbt rbu rdb rdd rdg rdr rds rdt rdu rgb rgd rgg rgr rgs rgt rrb rrd rrg rrr rrs rrt rru rsb rsd rsg rsr rss rst rsu rtb rtd rtg rtr rts rtt rtu rub rud rug rur rus rut ruu sbb sbd sbg sbr sbs sbt sbu sdb sdd sdg sdr sds sdt sdu sgb sgd sgg sgr sgs sgt sgu sr- srb srd srg srr srs srt ss- ssb ssd ssg ssr sss sst ssu stb std stg str sts stt stu sub sud sug sur sus sut suu tbb tbd tbg tbr tbs tbt tbu tdb tdd tdg tdr tds tdt tdu tgb tgg tgr tgs tgt tgu trb trd trg trr trs trt tru tsb tsd tsg tsr tss tst tsu ttb ttd ttg ttr tts ttt ttu tub tud tug tur tus tut tuu ubb ubg ubr ubs ubt ubu udb udd udg udr uds udt udu ugb ugg ugr ugs ugt ugu ur- urb urd urg urr urs urt uru usb usd usg usr uss ust usu utb utd utr uts utt utu uug uur uus uut uuu