a-a a-b aaa aab aad aag aan aas aau ab- aba abb abd abg abn abs abu ad- ada adb add adg adn ads adu ag- aga agb agd agg agn ags agu an- ana anb and ang ann ans anu as- asa asb asd asg asn ass asu au- aua aub aud aug aun aus b-u baa bab bad bag ban bas bau bba bbb bbd bbg bbn bbs bbu bda bdb bdd bdg bds bdu bga bgb bgd bgg bgn bgs bgu bna bnb bnd bng bnn bns bnu bsa bsb bsd bsg bsn bss bsu bua bub bud bug bun bus buu daa dab dad dag dan das dau dba dbb dbd dbg dbn dbs dbu dda ddb ddd ddg ddn dds ddu dga dgd dgg dgn dgs dgu dna dnb dnd dng dnn dns dsa dsb dsd dsg dsn dss dsu dua dub dud dug dun dus g-d gaa gab gad gag gan gas gau gba gbd gbg gbn gbs gbu gda gdb gdd gdn gds gdu gga ggb ggd ggg ggn ggs ggu gna gnb gnd gnn gns gnu gsa gsb gsd gsg gsn gss gsu gu- gua gub gud gug gun gus guu naa nab nad nag nan nas nau nba nbb nbd nbg nbn nbs nbu nda ndb ndd ndg ndn nds ndu nga ngb ngd ngg ngn ngs ngu nna nnb nng nnn nns nnu nsa nsb nsd nsg nsn nss nsu nua nub nud nug nun nus nuu saa sab sad sag san sas sau sba sbb sbd sbg sbn sbs sbu sda sdb sdd sdg sdn sds sdu sga sgb sgd sgg sgn sgs sgu sna snb snd sng snn sns snu ss- ssa ssb ssd ssg ssn sss ssu sua sub sud sug sun sus suu ua- uaa uab uad uag uan uas uau uba ubb ubg ubn ubs ubu uda udb udd udg udn uds udu uga ugb ugg ugn ugs ugu un- una unb und ung unn uns unu usa usb usd usg usn uss usu uua uug uun uus uuu