a-a a-b a-i a-z aaa aab aah aai aao aas aaz ab- aba abb abh abi abo abs abz aha ahb ahh ahi aho ahs ahz ai- aia aib aih aii aio ais aiz aoa aob aoh aoi aoo aos as- asa asb ash asi aso ass asz az- aza azb azi azo azs azz baa bab bah bai bao bas baz bba bbb bbh bbi bbo bbs bha bhb bhh bhi bho bhs bi- bia bib bih bii bio bis biz boa bob boh boi boo bos boz bsa bsb bsh bsi bso bss bza bzh bzo bzs bzz h-i haa hab hah hai hao has haz hba hbb hbh hbi hbo hbs hbz hha hhb hhh hhi hho hhs hhz hia hib hih hii hio his hoa hob hoh hoi hoo hos hsa hsb hsh hsi hss hsz hzo hzs ia- iaa iab iah iai iao ias iaz iba ibb ibh ibi ibo ibs ibz iha ihb ihh ihi iho ihs iia iib iih iii iio iis io- ioa iob ioh ioi ioo ios is- isa isb ish isi iso iss iza izh izi izo izz o-i oaa oab oah oai oao oas ob- oba obb obh obi obo obs oha ohh ohi oho ohs oia oib oii oio ois oiz oo- ooa oob ooh ooi ooo oos os- osa osb osh osi oso oss oza ozo ozs ozz saa sab sah sai sao sas saz sba sbb sbh sbi sbo sbs sh- sha shb shh shi sho shs sia sib sih sii sio sis soa sob soh soi soo sos soz ss- ssa ssb ssh ssi sso sss ssz sza szi zaa zab zah zai zao zas zaz zbb zbs zha zhi zho zhs zia zib zio zis ziz zo- zoa zob zoi zoo zos zsa zsh zsi zsz zzs zzz