a-a a-c aaa aac aad aah aao aar aas ac- aca acc acd ach aco acr acs ad- ada adc add adh ado adr ads aha ahc ahd ahh aho ahr ahs aoa aoc aod aoh aoo aor aos ar- ara arc ard arh aro arr ars as- asa asc asd ash aso asr ass c-- caa cac cad cah cao car cas cca ccc ccd cch cco ccr ccs cda cdc cdd cdh cdo cdr cds ch- cha chc chd chh cho chr chs co- coa coc cod coh coo cor cos cra crc crd crh cro crr crs csa csc csd csh cso csr css daa dac dad dah dao dar das dca dcc dcd dco dcr dcs dda ddc ddd ddh ddo ddr dds dh- dha dhc dhd dhh dho dhr dhs doa doc dod doh doo dor dos dra drc drd dro drr drs dsa dsc dsd dsh dso dsr dss haa hac had hah hao har has hca hcc hcd hch hco hcr hcs hda hdc hdd hdh hdo hdr hds hha hhc hhd hhh hho hhr hhs hoa hoc hod hoh hoo hor hos hr- hra hrc hrd hrh hro hrr hrs hsa hsc hsd hsh hsr hss oaa oac oad oah oao oar oas oc- oca occ ocd och oco ocr ocs oda odc odd odh odo odr ods oha ohc ohd ohh oho ohr ohs oo- ooa ooc ood ooh ooo oor oos or- ora orc ord orh oro orr ors os- osa osc osd osh oso osr oss ra- raa rac rad rah rao rar ras rca rcc rcd rch rco rcr rcs rda rdc rdd rdh rdo rdr rds rh- rha rhc rhd rhh rho rhr rhs roa roc rod roh roo ror ros rra rrc rrd rrh rrr rrs rsa rsc rsd rsh rso rsr rss saa sac sad sah sao sar sas sca scc scd sch sco scr scs sda sdc sdd sdh sdo sdr sds sh- sha shc shd shh sho shr shs soa soc sod soh soo sor sos sr- sra src srd srh sro srr srs ss- ssa ssc ssd ssh sso ssr sss