a-a a-b a-i a-z aaa aab aad aah aai aar aaz ab- aba abb abd abh abi abr abz ad- ada adb add adh adi adr adz aha ahb ahd ahh ahi ahr ahz ai- aia aib aid aih aii air aiz ar- ara arb ard arh ari arr arz az- aza azb azd azi azz baa bab bad bah bai bar baz bba bbb bbd bbh bbi bbr bda bdb bdd bdh bdi bdr bdz bha bhb bhd bhh bhi bhr bi- bia bib bid bih bii bir biz bra brb brd brh bri brr brz bza bzd bzh bzr bzz daa dab dad dah dai dar daz dba dbb dbd dbh dbi dbr dbz dda ddb ddd ddh ddi ddr ddz dh- dha dhb dhd dhh dhi dhr di- dia dib did dih dii dir diz dra drb drd dri drr drz dza dzb dzd dzi dzr h-i haa hab had hah hai har haz hba hbb hbd hbh hbi hbr hbz hda hdb hdd hdh hdi hdr hdz hha hhb hhd hhh hhi hhr hhz hia hib hid hih hii hir hr- hra hrb hrd hrh hri hrr hrz hzd i-d ia- iaa iab iad iah iai iar iaz iba ibb ibd ibh ibi ibr ibz ida idb idd idh idi idr iha ihb ihd ihh ihi ihr iia iib iid iih iii iir ir- ira irb ird iri irr iza izh izi izz ra- raa rab rad rah rai rar raz rba rbb rbd rbh rbi rbr rda rdb rdd rdh rdi rdr rh- rha rhb rhd rhh rhi rhr ria rib rid rih rii rir riz rra rrb rrd rrh rri rrr rza rzb zaa zab zad zah zai zar zaz zbb zbr zha zhi zhr zia zib zid zir ziz zrh zzr zzz