a-a a-z aaa aad aah aao aar aas aaz ad- ada add adh ado adr ads adz aha ahd ahh aho ahr ahs ahz aoa aod aoh aoo aor aos ar- ara ard arh aro arr ars arz as- asa asd ash aso asr ass asz az- aza azd azo azs azz daa dad dah dao dar das daz dda ddd ddh ddo ddr dds ddz dh- dha dhd dhh dho dhr dhs doa dod doh doo dor dos doz dra drd dro drr drs drz dsa dsd dsh dso dsr dss dsz dza dzd dzo dzr dzs haa had hah hao har has haz hda hdd hdh hdo hdr hds hdz hha hhd hhh hho hhr hhs hhz hoa hod hoh hoo hor hos hr- hra hrd hrh hro hrr hrs hrz hsa hsd hsh hsr hss hsz hzd hzo hzs oaa oad oah oao oar oas oda odd odh odo odr ods oha ohd ohh oho ohr ohs oo- ooa ood ooh ooo oor oos or- ora ord orh oro orr ors orz os- osa osd osh oso osr oss oza ozo ozs ozz ra- raa rad rah rao rar ras raz rda rdd rdh rdo rdr rds rh- rha rhd rhh rho rhr rhs roa rod roh roo ror ros roz rra rrd rrh rrr rrs rsa rsd rsh rso rsr rss rza rzo saa sad sah sao sar sas saz sda sdd sdh sdo sdr sds sdz sh- sha shd shh sho shr shs soa sod soh soo sor sos soz sr- sra srd srh sro srr srs ss- ssa ssd ssh sso ssr sss ssz sza szd szr zaa zad zah zao zar zas zaz zds zha zho zhr zhs zo- zoa zod zoo zor zos zrh zro zrs zsa zsh zsz zzr zzs zzz