a-a a-b a-z aaa aab aad aah aak aar aaz ab- aba abb abd abh abk abr abz ad- ada adb add adh adk adr adz aha ahb ahd ahh ahk ahr ahz aka akb akd akh akk akr ar- ara arb ard arh ark arr arz az- aza azb azd azz baa bab bad bah bak bar baz bba bbb bbd bbh bbk bbr bda bdb bdd bdh bdk bdr bdz bha bhb bhd bhh bhk bhr bka bkb bkk bkr bra brb brd brh brk brr brz bza bzd bzh bzr bzz daa dab dad dah dak dar daz dba dbb dbd dbh dbk dbr dbz dda ddb ddd ddh ddk ddr ddz dh- dha dhb dhd dhh dhk dhr dka dkb dkk dkr dra drb drd drk drr drz dza dzb dzd dzr haa hab had hah hak har haz hba hbb hbd hbh hbk hbr hbz hda hdb hdd hdh hdk hdr hdz hha hhb hhd hhh hhk hhr hhz hka hkb hkd hkh hkk hkr hr- hra hrb hrd hrh hrk hrr hrz hzd k-z ka- kaa kab kad kah kak kar kaz kba kbb kbd kbh kbk kbr kbz kda kdb kdh kdk kdr kha khh khk khr khz kkb kkh kkk kkr kra krd krk krr ra- raa rab rad rah rak rar raz rba rbb rbd rbh rbk rbr rda rdb rdd rdh rdr rh- rha rhb rhd rhh rhr rkb rkk rkz rra rrb rrd rrh rrk rrr rza rzb zaa zab zad zah zak zar zaz zbb zbr zha zhr zka zrh zzr zzz