a-a a-b aaa aab aad aah aan aar aay ab- aba abb abd abh abn abr aby ad- ada adb add adh adn adr ady aha ahb ahd ahh ahn ahr ahy an- ana anb and anh ann anr any ar- ara arb ard arh arn arr ary ay- aya ayd ayh ayn ayr baa bab bad bah ban bar bay bba bbb bbd bbh bbn bbr bby bda bdb bdd bdh bdr bdy bha bhb bhd bhh bhr bna bnb bnd bnn bnr bra brb brd brh brn brr bry by- bya byd byh byn byr daa dab dad dah dan dar day dba dbb dbd dbh dbn dbr dby dda ddb ddd ddh ddn ddr ddy dh- dha dhb dhd dhh dhr dna dnb dnd dnh dnn dnr dny dra drb drd drn drr dry dy- dya dyb dyd dyn dyr dyy haa hab had hah han har hay hba hbb hbd hbh hbn hbr hby hda hdb hdd hdh hdn hdr hdy hha hhb hhd hhh hhn hhr hhy hna hnb hnd hnh hnn hny hr- hra hrb hrd hrh hrn hrr hy- hya hyb hyd hyh hyn hyr hyy naa nab nad nah nan nar nay nba nbb nbd nbn nbr nda ndb ndd ndh ndn ndr ndy nha nhb nhd nhh nhn nhr nhy nna nnb nnh nnn nra nrb nrd nrn nrr nry nya nyd nyn nyy ra- raa rab rad rah ran rar ray rba rbb rbd rbh rbn rbr rda rdb rdd rdh rdn rdr rdy rh- rha rhb rhd rhh rhn rhr rna rnb rnd rnh rnn rnr rny rra rrb rrd rrh rrn rrr ry- rya ryd ryn ryr ryy yaa yab yad yah yan yar yay ybr yby yda ydn ydy yha yna ynd ynn yny yra yrn yyb yyy