a-a a-b aaa aab aad aag aas aau aay ab- aba abb abd abg abs abu aby ad- ada adb add adg ads adu ady ag- aga agb agd agg ags agu agy as- asa asb asd asg ass asu asy au- aua aub aud aug aus ay- aya ayd ays ayu b-u baa bab bad bag bas bau bay bba bbb bbd bbg bbs bbu bby bda bdb bdd bdg bds bdu bdy bga bgb bgd bgg bgs bgu bsa bsb bsd bsg bss bsu bsy bua bub bud bug bus buu buy by- bya byd byg bys byu daa dab dad dag das dau day dba dbb dbd dbg dbs dbu dby dda ddb ddd ddg dds ddu ddy dga dgd dgg dgs dgu dsa dsb dsd dsg dss dsu dsy dua dub dud dug dus duy dy- dya dyb dyd dys dyu dyy g-d gaa gab gad gag gas gau gay gba gbd gbg gbs gbu gby gda gdb gdd gds gdu gga ggb ggd ggg ggs ggu gsa gsb gsd gsg gss gsu gu- gua gub gud gug gus guu guy gy- gya gyb gyd gys saa sab sad sag sas sau say sba sbb sbd sbg sbs sbu sby sda sdb sdd sdg sds sdu sdy sga sgb sgd sgg sgs sgu ss- ssa ssb ssd ssg sss ssu sua sub sud sug sus suu suy sy- sya syb syd syg sys syu ua- uaa uab uad uag uas uau uay uba ubb ubg ubs ubu uby uda udb udd udg uds udu uga ugb ugg ugs ugu usa usb usd usg uss usu uua uug uus uuu uys uyu yaa yab yad yag yas yau yay ybg ybs yby yda ydg yds ydy yga ysa ysb ysg yss ysu ysy yua yud yug yus yuu yuy yyb yyg yys yyu yyy