a-a a-c aaa aac aad aah aak aar aas ac- aca acc acd ach ack acr acs ad- ada adc add adh adk adr ads aha ahc ahd ahh ahk ahr ahs aka akc akd akh akk akr aks ar- ara arc ard arh ark arr ars as- asa asc asd ash ask asr ass c-- caa cac cad cah cak car cas cca ccc ccd cch cck ccr ccs cda cdc cdd cdh cdk cdr cds ch- cha chc chd chh chk chr chs cka ckc ckd ckh cks cra crc crd crh crk crr crs csa csc csd csh csk csr css daa dac dad dah dak dar das dca dcc dcd dck dcr dcs dda ddc ddd ddh ddk ddr dds dh- dha dhc dhd dhh dhk dhr dhs dka dkc dkk dkr dks dra drc drd drk drr drs dsa dsc dsd dsh dsk dsr dss haa hac had hah hak har has hca hcc hcd hch hck hcr hcs hda hdc hdd hdh hdk hdr hds hha hhc hhd hhh hhk hhr hhs hka hkd hkh hkk hkr hks hr- hra hrc hrd hrh hrk hrr hrs hsa hsc hsd hsh hsk hsr hss ka- kaa kac kad kah kak kar kas kca kcc kcd kch kck kcr kcs kda kdc kdh kdk kdr kds kha khh khk khr khs kkc kkh kkk kkr kks kra krc krd krk krr krs ksa ksc ksd ksh ksk ksr kss ra- raa rac rad rah rak rar ras rca rcc rcd rch rcr rcs rda rdc rdd rdh rdr rds rh- rha rhc rhd rhh rhr rhs rkc rkk rks rra rrc rrd rrh rrk rrr rrs rsa rsc rsd rsh rsk rsr rss saa sac sad sah sak sar sas sca scc scd sch sck scr scs sda sdc sdd sdh sdk sdr sds sh- sha shc shd shh shk shr shs sk- ska skc skd skh skk skr sks sr- sra src srd srh srk srr srs ss- ssa ssc ssd ssh ssk ssr sss