a-a a-c aaa aac aak aar aau aav ac- aca acc ack acr acu acv aka akc akk akr aku akv ar- ara arc ark arr aru arv au- aua auc auk aur auv av- ava avc avk avr avu c-- caa cac cak car cau cav cca ccc cck ccr ccu ccv cka ckc cra crc crk crr cru crv cua cuc cuk cur cuu cuv cva cvc cvk cvr cvu cvv ka- kaa kac kak kar kau kav kca kcc kck kcr kcu kkc kkk kkr kku kkv kra krc krk krr kru krv kuc kuk kur kuu kva kvk kvr kvv ra- raa rac rak rar rau rav rca rcc rcr rcu rcv rkc rkk rku rkv rra rrc rrk rrr rru rua ruc ruk rur ruu ruv rva rvc rvr rvu rvv ua- uaa uac uak uar uau uav uca ucc uck ucr ucu ucv uka ukc ukk ukr uku ur- ura urc urk urr uru uua uuc uur uuu uva uvc uvu uvv v-a vaa vac vak var vau vav vca vcc vcr vcu vka vra vrc vrk vrr vru vuk vur vuv vva vvc vvr vvv