a-a a-c aaa aac aak aar aaw ac- aca acc ack acr acw aka akc akk akr akw ar- ara arc ark arr arw aw- awa awc awk awr aww c-- caa cac cak car caw cca ccc cck ccr ccw cka ckc ckw cra crc crk crr crw cw- cwa cwc cwk cwr ka- kaa kac kak kar kaw kca kcc kck kcr kkc kkk kkr kra krc krk krr krw kw- kwa kwc kwk kww ra- raa rac rak rar raw rca rcc rcr rcw rkc rkk rra rrc rrk rrr rwa rwc rwr waa wac wak war waw wca wcc wck wcr wcw wka wkc wkr wkw wr- wra wrc wrk wrr wrw wwa wwc www