a-a a-c aaa aac aan aar aau aav ac- aca acc acn acr acu acv an- ana anc ann anr anu anv ar- ara arc arn arr aru arv au- aua auc aun aur auv av- ava avc avn avr avu c-- caa cac can car cau cav cca ccc ccn ccr ccu ccv cn- cna cnc cnn cnr cnu cnv cra crc crn crr cru crv cua cuc cun cur cuu cuv cva cvc cvn cvr cvu cvv naa nac nan nar nau nav nca ncc ncn ncr ncu ncv nna nnc nnn nnu nnv nra nrc nrn nrr nru nrv nua nuc nun nur nuu nuv nva nvc nvn nvu nvv ra- raa rac ran rar rau rav rca rcc rcn rcr rcu rcv rna rnc rnn rnr rnu rnv rra rrc rrn rrr rru rua ruc run rur ruu ruv rva rvc rvn rvr rvu rvv ua- uaa uac uan uar uau uav uca ucc ucn ucr ucu ucv un- una unc unn unr unu unv ur- ura urc urn urr uru uua uuc uun uur uuu uva uvc uvu uvv v-a vaa vac van var vau vav vca vcc vcn vcr vcu vn- vna vnr vnu vnv vra vrc vrn vrr vru vur vuv vva vvc vvr vvv