a-a a-c aaa aac aad aah aao aas ac- aca acc acd ach aco acs ad- ada adc add adh ado ads aha ahc ahd ahh aho ahs aoa aoc aod aoh aoo aos as- asa asc asd ash aso ass c-- caa cac cad cah cao cas cca ccc ccd cch cco ccs cda cdc cdd cdh cdo cds ch- cha chc chd chh cho chs co- coa coc cod coh coo cos csa csc csd csh cso css daa dac dad dah dao das dca dcc dcd dco dcs dda ddc ddd ddh ddo dds dh- dha dhc dhd dhh dho dhs doa doc dod doh doo dos dsa dsc dsd dsh dso dss haa hac had hah hao has hca hcc hcd hch hco hcs hda hdc hdd hdh hdo hds hha hhc hhd hhh hho hhs hoa hoc hod hoh hoo hos hsa hsc hsd hsh hss oaa oac oad oah oao oas oc- oca occ ocd och oco ocs oda odc odd odh odo ods oha ohc ohd ohh oho ohs oo- ooa ooc ood ooh ooo oos os- osa osc osd osh oso oss saa sac sad sah sao sas sca scc scd sch sco scs sda sdc sdd sdh sdo sds sh- sha shc shd shh sho shs soa soc sod soh soo sos ss- ssa ssc ssd ssh sso sss