a-a a-b a-t aaa aab aad aag aao aas aat aau ab- aba abb abd abg abo abs abt abu ad- ada adb add adg ado ads adt adu ag- aga agb agd agg ago ags agt agu aoa aob aod aog aoo aos aot aou as- asa asb asd asg aso ass ast asu at- ata atb atd atg ato ats att atu au- aua aub aud aug auo aus aut b-u baa bab bad bag bao bas bat bau bba bbb bbd bbg bbo bbs bbt bbu bda bdb bdd bdg bdo bds bdt bdu bga bgb bgd bgg bgo bgs bgt bgu boa bob bod bog boo bos bot bou bsa bsb bsd bsg bso bss bst bsu bta btb btd btg bto bts btt btu bua bub bud bug buo bus but buu daa dab dad dag dao das dat dau dba dbb dbd dbg dbo dbs dbt dbu dda ddb ddd ddg ddo dds ddt ddu dga dgd dgg dgs dgt dgu doa dob dod dog doo dos dot dou dsa dsb dsd dsg dso dss dst dsu dta dtb dtd dtg dto dts dtt dtu dua dub dud dug duo dus dut g-d gaa gab gad gag gao gas gat gau gba gbd gbg gbo gbs gbt gbu gda gdb gdd gdo gds gdt gdu gga ggb ggd ggg ggo ggs ggt ggu goa gob god gog goo gos got gou gsa gsb gsd gsg gso gss gst gsu gta gtb gtd gtg gto gts gtt gtu gu- gua gub gud gug guo gus gut guu oaa oab oad oag oao oas oat oau ob- oba obb obd obg obo obs obt obu oda odb odd odg odo ods odt odu oga ogd ogg ogo ogs ogt oo- ooa oob ood oog ooo oos oot os- osa osb osd osg oso oss ost osu ot- ota otb otd otg oto ots ott otu ou- oua oud ouo ous out saa sab sad sag sao sas sat sau sba sbb sbd sbg sbo sbs sbt sbu sda sdb sdd sdg sdo sds sdt sdu sga sgb sgd sgg sgo sgs sgt sgu soa sob sod sog soo sos sot sou ss- ssa ssb ssd ssg sso sss sst ssu sta stb std stg sto sts stt stu sua sub sud sug suo sus sut suu taa tab tad tag tao tas tat tau tba tbb tbd tbg tbo tbs tbt tbu tda tdb tdd tdg tdo tds tdt tdu tga tgb tgg tgo tgs tgt tgu to- toa tob tod tog too tos tot tou tsa tsb tsd tsg tso tss tst tsu tta ttb ttd ttg tto tts ttt ttu tua tub tud tug tuo tus tut tuu ua- uaa uab uad uag uao uas uat uau uba ubb ubg ubo ubs ubt ubu uda udb udd udg udo uds udt udu uga ugb ugg ugo ugs ugt ugu uoa uob uod uog uoo uos uot usa usb usd usg uso uss ust usu uta utb utd uto uts utt utu uua uug uus uut uuu