a-a a-c aaa aac aad aak aan aar aas aav ac- aca acc acd ack acn acr acs acv ad- ada adc add adk adn adr ads adv aka akc akd akk akn akr aks akv an- ana anc and ank ann anr ans anv ar- ara arc ard ark arn arr ars arv as- asa asc asd ask asn asr ass asv av- ava avc avd avk avn avr avs c-- caa cac cad cak can car cas cav cca ccc ccd cck ccn ccr ccs ccv cda cdc cdd cdk cdn cdr cds cdv cka ckc ckd cks cn- cna cnc cnd cnn cnr cns cnv cra crc crd crk crn crr crs crv csa csc csd csk csn csr css csv cva cvc cvd cvk cvn cvr cvs cvv daa dac dad dak dan dar das dav dca dcc dcd dck dcn dcr dcs dcv dda ddc ddd ddk ddn ddr dds dka dkc dkk dkr dks dna dnc dnd dnk dnn dnr dns dra drc drd drk drn drr drs drv dsa dsc dsd dsk dsn dsr dss dsv dva dvc dvd dvk dvn dvr dvs ka- kaa kac kad kak kan kar kas kav kca kcc kcd kck kcn kcr kcs kda kdc kdk kdr kds kkc kkk kkn kkr kks kkv kn- kna knc knd knk knn knr kra krc krd krk krn krr krs krv ksa ksc ksd ksk ksn ksr kss ksv kva kvk kvn kvr kvs kvv naa nac nad nak nan nar nas nav nca ncc ncd nck ncn ncr ncs ncv nda ndc ndd ndk ndn ndr nds ndv nka nkc nkk nkn nkr nks nna nnc nnk nnn nns nnv nra nrc nrd nrk nrn nrr nrs nrv nsa nsc nsd nsk nsn nsr nss nsv nva nvc nvd nvk nvn nvv ra- raa rac rad rak ran rar ras rav rca rcc rcd rcn rcr rcs rcv rda rdc rdd rdn rdr rds rdv rkc rkk rks rkv rna rnc rnd rnn rnr rns rnv rra rrc rrd rrk rrn rrr rrs rsa rsc rsd rsk rsn rsr rss rsv rva rvc rvd rvn rvr rvs rvv saa sac sad sak san sar sas sav sca scc scd sck scn scr scs scv sda sdc sdd sdk sdn sdr sds sdv sk- ska skc skd skk skr sks sna snc snd snk snn snr sns snv sr- sra src srd srk srn srr srs srv ss- ssa ssc ssd ssk ssn ssr sss ssv sva svc svd svk svn svr svs svv v-a vaa vac vad vak van var vas vav vca vcc vcd vcn vcr vcs vdc vdd vdk vdr vds vdv vka vn- vna vnd vnr vns vnv vra vrc vrd vrk vrn vrr vrs vsa vsc vsd vsk vsn vsr vss vsv vva vvc vvr vvs vvv