a-a a-c a-t aaa aac aan aas aat aav ac- aca acc acn acs act acv an- ana anc ann ans ant anv as- asa asc asn ass ast asv at- ata atc atn ats att atv av- ava avc avn avs avt c-- caa cac can cas cat cav cca ccc ccn ccs cct ccv cn- cna cnc cnn cns cnt cnv csa csc csn css cst csv cta ctc ctn cts ctt ctv cva cvc cvn cvs cvt cvv naa nac nan nas nat nav nca ncc ncn ncs nct ncv nna nnc nnn nns nnt nnv nsa nsc nsn nss nst nsv nta ntc ntn nts ntt ntv nva nvc nvn nvt nvv saa sac san sas sat sav sca scc scn scs sct scv sna snc snn sns snt snv ss- ssa ssc ssn sss sst ssv sta stc stn sts stt stv sva svc svn svs svt svv taa tac tan tas tat tav tca tcc tcn tcs tct tcv tna tnc tnn tns tnt tsa tsc tsn tss tst tsv tta ttc ttn tts ttt ttv tva tvc tvn tvs tvt v-a vaa vac van vas vat vav vca vcc vcn vcs vct vn- vna vns vnv vsa vsc vsn vss vst vsv vta vtc vts vtt vtv vva vvc vvs vvt vvv