a-a a-c aaa aac aan aar aas aav ac- aca acc acn acr acs acv an- ana anc ann anr ans anv ar- ara arc arn arr ars arv as- asa asc asn asr ass asv av- ava avc avn avr avs c-- caa cac can car cas cav cca ccc ccn ccr ccs ccv cn- cna cnc cnn cnr cns cnv cra crc crn crr crs crv csa csc csn csr css csv cva cvc cvn cvr cvs cvv naa nac nan nar nas nav nca ncc ncn ncr ncs ncv nna nnc nnn nns nnv nra nrc nrn nrr nrs nrv nsa nsc nsn nsr nss nsv nva nvc nvn nvv ra- raa rac ran rar ras rav rca rcc rcn rcr rcs rcv rna rnc rnn rnr rns rnv rra rrc rrn rrr rrs rsa rsc rsn rsr rss rsv rva rvc rvn rvr rvs rvv saa sac san sar sas sav sca scc scn scr scs scv sna snc snn snr sns snv sr- sra src srn srr srs srv ss- ssa ssc ssn ssr sss ssv sva svc svn svr svs svv v-a vaa vac van var vas vav vca vcc vcn vcr vcs vn- vna vnr vns vnv vra vrc vrn vrr vrs vsa vsc vsn vsr vss vsv vva vvc vvr vvs vvv