a-a a-c aaa aac aad aan aao aar aav ac- aca acc acd acn aco acr acv ad- ada adc add adn ado adr adv an- ana anc and ann ano anr anv aoa aoc aod aon aoo aor aov ar- ara arc ard arn aro arr arv av- ava avc avd avn avo avr c-- caa cac cad can cao car cav cca ccc ccd ccn cco ccr ccv cda cdc cdd cdn cdo cdr cdv cn- cna cnc cnd cnn cno cnr cnv co- coa coc cod con coo cor cov cra crc crd crn cro crr crv cva cvc cvd cvn cvo cvr cvv daa dac dad dan dao dar dav dca dcc dcd dcn dco dcr dcv dda ddc ddd ddn ddo ddr dna dnc dnd dnn dno dnr doa doc dod don doo dor dov dra drc drd drn dro drr drv dva dvc dvd dvn dvr naa nac nad nan nao nar nav nca ncc ncd ncn nco ncr ncv nda ndc ndd ndn ndo ndr ndv nna nnc nnn nno nnv no- noa noc nod non noo nor nov nra nrc nrd nrn nro nrr nrv nva nvc nvd nvn nvv oaa oac oad oan oao oar oav oc- oca occ ocd ocn oco ocr ocv oda odc odd odn odo odr odv on- ona onc ond onn ono onr oo- ooa ooc ood oon ooo oor oov or- ora orc ord orn oro orr orv ov- ova ovc ovd ovo ovv ra- raa rac rad ran rao rar rav rca rcc rcd rcn rco rcr rcv rda rdc rdd rdn rdo rdr rdv rna rnc rnd rnn rno rnr rnv roa roc rod ron roo ror rov rra rrc rrd rrn rrr rva rvc rvd rvn rvo rvr rvv v-a vaa vac vad van vao var vav vca vcc vcd vcn vco vcr vdc vdd vdo vdr vdv vn- vna vnd vno vnr vnv voa voc vod von voo vor vov vra vrc vrd vrn vrr vva vvc vvo vvr vvv