a-a a-b aaa aab aad aah aak aar aay ab- aba abb abd abh abk abr aby ad- ada adb add adh adk adr ady aha ahb ahd ahh ahk ahr ahy aka akb akd akh akk akr ar- ara arb ard arh ark arr ary ay- aya ayd ayh ayk ayr baa bab bad bah bak bar bay bba bbb bbd bbh bbk bbr bby bda bdb bdd bdh bdk bdr bdy bha bhb bhd bhh bhk bhr bka bkb bkk bkr bra brb brd brh brk brr bry by- bya byd byh byk byr daa dab dad dah dak dar day dba dbb dbd dbh dbk dbr dby dda ddb ddd ddh ddk ddr ddy dh- dha dhb dhd dhh dhk dhr dka dkb dkk dkr dra drb drd drk drr dry dy- dya dyb dyd dyk dyr dyy haa hab had hah hak har hay hba hbb hbd hbh hbk hbr hby hda hdb hdd hdh hdk hdr hdy hha hhb hhd hhh hhk hhr hhy hka hkb hkd hkh hkk hkr hr- hra hrb hrd hrh hrk hrr hy- hya hyb hyd hyh hyr hyy ka- kaa kab kad kah kak kar kay kba kbb kbd kbh kbk kbr kda kdb kdh kdk kdr kdy kha khh khk khr kkb kkh kkk kkr kky kra krd krk krr kry kya kyd kyr ra- raa rab rad rah rak rar ray rba rbb rbd rbh rbk rbr rda rdb rdd rdh rdr rdy rh- rha rhb rhd rhh rhr rkb rkk rky rra rrb rrd rrh rrk rrr ry- rya ryd ryk ryr ryy yaa yab yad yah yak yar yay ybr yby yda ydy yha yka ykk yra yyb yyy