a-a a-b a-i aaa aab aad aag aai aau aay ab- aba abb abd abg abi abu aby ad- ada adb add adg adi adu ady ag- aga agb agd agg agi agu agy ai- aia aib aid aig aii aiu aiy au- aua aub aud aug aui ay- aya ayd ayi ayu b-u baa bab bad bag bai bau bay bba bbb bbd bbg bbi bbu bby bda bdb bdd bdg bdi bdu bdy bga bgb bgd bgg bgi bgu bi- bia bib bid big bii biu biy bua bub bud bug bui buu buy by- bya byd byg byi byu daa dab dad dag dai dau day dba dbb dbd dbg dbi dbu dby dda ddb ddd ddg ddi ddu ddy dga dgd dgg dgi dgu di- dia dib did dig dii diu diy dua dub dud dug dui duy dy- dya dyb dyd dyu dyy g-d gaa gab gad gag gai gau gay gba gbd gbg gbi gbu gby gda gdb gdd gdi gdu gga ggb ggd ggg ggi ggu gia gib gid gig gii giu giy gu- gua gub gud gug gui guu guy gy- gya gyb gyd i-d ia- iaa iab iad iag iai iau iba ibb ibd ibg ibi ibu iby ida idb idd idg idi idu idy iga igb igd igg igi igu igy iia iib iid iii iiu iu- iua iub iud iug iui iya iyy ua- uaa uab uad uag uai uau uay uba ubb ubg ubi ubu uby uda udb udd udg udi udu uga ugb ugg ugi ugu uia uib uid uig uii uiu uua uug uuu uyi uyu yaa yab yad yag yai yau yay ybg ybi yby yda ydg ydy yga yid yig yii yua yud yug yui yuu yuy yyb yyg yyu yyy