a-a a-b aaa aab aad aag aah aau aay ab- aba abb abd abg abh abu aby ad- ada adb add adg adh adu ady ag- aga agb agd agg agh agu agy aha ahb ahd ahg ahh ahu ahy au- aua aub aud aug auh ay- aya ayd ayh ayu b-u baa bab bad bag bah bau bay bba bbb bbd bbg bbh bbu bby bda bdb bdd bdg bdh bdu bdy bga bgb bgd bgg bgh bgu bha bhb bhd bhg bhh bhu bua bub bud bug buh buu buy by- bya byd byg byh byu daa dab dad dag dah dau day dba dbb dbd dbg dbh dbu dby dda ddb ddd ddg ddh ddu ddy dga dgd dgg dgh dgu dh- dha dhb dhd dhh dhu dua dub dud dug duh duy dy- dya dyb dyd dyu dyy g-d gaa gab gad gag gah gau gay gba gbd gbg gbh gbu gby gda gdb gdd gdh gdu gga ggb ggd ggg ggh ggu gha ghb ghd ghg ghh gu- gua gub gud gug guu guy gy- gya gyb gyd haa hab had hag hah hau hay hba hbb hbd hbg hbh hbu hby hda hdb hdd hdg hdh hdu hdy hga hgb hgg hgh hgu hgy hha hhb hhd hhg hhh hhu hhy hua hub hud hug huh huu huy hy- hya hyb hyd hyg hyh hyy ua- uaa uab uad uag uah uau uay uba ubb ubg ubh ubu uby uda udb udd udg udu uga ugb ugg ugh ugu uha uhb uhd uhh uhu uhy uua uug uuu uyu yaa yab yad yag yah yau yay ybg yby yda ydg ydy yga yha yhu yua yud yug yuh yuu yuy yyb yyg yyu yyy