a-a a-b a-i a-z aaa aab aah aai aar aaz ab- aba abb abh abi abr abz aha ahb ahh ahi ahr ahz ai- aia aib aih aii air aiz ar- ara arb arh ari arr arz az- aza azb azi azz baa bab bah bai bar baz bba bbb bbh bbi bbr bha bhb bhh bhi bhr bi- bia bib bih bii bir biz bra brb brh bri brr brz bza bzh bzr bzz h-i haa hab hah hai har haz hba hbb hbh hbi hbr hbz hha hhb hhh hhi hhr hhz hia hib hih hii hir hr- hra hrb hrh hri hrr hrz ia- iaa iab iah iai iar iaz iba ibb ibh ibi ibr ibz iha ihb ihh ihi ihr iia iib iih iii iir ir- ira irb iri irr iza izh izi izz ra- raa rab rah rai rar raz rba rbb rbh rbi rbr rh- rha rhb rhh rhi rhr ria rib rih rii rir riz rra rrb rrh rri rrr rza rzb zaa zab zah zai zar zaz zbb zbr zha zhi zhr zia zib zir ziz zrh zzr zzz