a-a a-c aaa aac aad aah aak aar ac- aca acc acd ach ack acr ad- ada adc add adh adk adr aha ahc ahd ahh ahk ahr aka akc akd akh akk akr ar- ara arc ard arh ark arr c-- caa cac cad cah cak car cca ccc ccd cch cck ccr cda cdc cdd cdh cdk cdr ch- cha chc chd chh chk chr cka ckc ckd ckh cra crc crd crh crk crr daa dac dad dah dak dar dca dcc dcd dck dcr dda ddc ddd ddh ddk ddr dh- dha dhc dhd dhh dhk dhr dka dkc dkk dkr dra drc drd drk drr haa hac had hah hak har hca hcc hcd hch hck hcr hda hdc hdd hdh hdk hdr hha hhc hhd hhh hhk hhr hka hkd hkh hkk hkr hr- hra hrc hrd hrh hrk hrr ka- kaa kac kad kah kak kar kca kcc kcd kch kck kcr kda kdc kdh kdk kdr kha khh khk khr kkc kkh kkk kkr kra krc krd krk krr ra- raa rac rad rah rak rar rca rcc rcd rch rcr rda rdc rdd rdh rdr rh- rha rhc rhd rhh rhr rkc rkk rra rrc rrd rrh rrk rrr