a-a a-c aaa aac aar aas aau aav ac- aca acc acr acs acu acv ar- ara arc arr ars aru arv as- asa asc asr ass asu asv au- aua auc aur aus auv av- ava avc avr avs avu c-- caa cac car cas cau cav cca ccc ccr ccs ccu ccv cra crc crr crs cru crv csa csc csr css csu csv cua cuc cur cus cuu cuv cva cvc cvr cvs cvu cvv ra- raa rac rar ras rau rav rca rcc rcr rcs rcu rcv rra rrc rrr rrs rru rsa rsc rsr rss rsu rsv rua ruc rur rus ruu ruv rva rvc rvr rvs rvu rvv saa sac sar sas sau sav sca scc scr scs scu scv sr- sra src srr srs srv ss- ssa ssc ssr sss ssu ssv sua suc sur sus suu suv sva svc svr svs svu svv ua- uaa uac uar uas uau uav uca ucc ucr ucs ucu ucv ur- ura urc urr urs uru usa usc usr uss usu usv uua uuc uur uus uuu uva uvc uvs uvu uvv v-a vaa vac var vas vau vav vca vcc vcr vcs vcu vra vrc vrr vrs vru vsa vsc vsr vss vsu vsv vur vus vuv vva vvc vvr vvs vvv