a-a a-c aaa aac aad aah aar aas ac- aca acc acd ach acr acs ad- ada adc add adh adr ads aha ahc ahd ahh ahr ahs ar- ara arc ard arh arr ars as- asa asc asd ash asr ass c-- caa cac cad cah car cas cca ccc ccd cch ccr ccs cda cdc cdd cdh cdr cds ch- cha chc chd chh chr chs cra crc crd crh crr crs csa csc csd csh csr css daa dac dad dah dar das dca dcc dcd dcr dcs dda ddc ddd ddh ddr dds dh- dha dhc dhd dhh dhr dhs dra drc drd drr drs dsa dsc dsd dsh dsr dss haa hac had hah har has hca hcc hcd hch hcr hcs hda hdc hdd hdh hdr hds hha hhc hhd hhh hhr hhs hr- hra hrc hrd hrh hrr hrs hsa hsc hsd hsh hsr hss ra- raa rac rad rah rar ras rca rcc rcd rch rcr rcs rda rdc rdd rdh rdr rds rh- rha rhc rhd rhh rhr rhs rra rrc rrd rrh rrr rrs rsa rsc rsd rsh rsr rss saa sac sad sah sar sas sca scc scd sch scr scs sda sdc sdd sdh sdr sds sh- sha shc shd shh shr shs sr- sra src srd srh srr srs ss- ssa ssc ssd ssh ssr sss