a-a a-c a-t aaa aac aaf aan aao aar aat aav ac- aca acc acf acn aco acr act acv af- afa afc aff afn afo afr aft afv an- ana anc anf ann ano anr ant anv aoa aoc aof aon aoo aor aot aov ar- ara arc arf arn aro arr art arv at- ata atc atf atn ato atr att atv av- ava avc avf avn avo avr avt c-- caa cac caf can cao car cat cav cca ccc ccf ccn cco ccr cct ccv cfa cfc cff cfn cfo cfr cft cfv cn- cna cnc cnf cnn cno cnr cnt cnv co- coa coc cof con coo cor cot cov cra crc crf crn cro crr crt crv cta ctc ctf ctn cto ctr ctt ctv cva cvc cvf cvn cvo cvr cvt cvv faa fac faf fan fao far fat fav fca fcc fcf fcn fco fcr fct fcv ffa ffc fff ffn ffo ffr fft ffv fna fnc fnf fnn fnr fnt fnv foa foc fof fon foo for fot fra frc frf frn fro frr frt fta ftc ftf ftn fto ftr ftt ftv fva fvc fvt naa nac naf nan nao nar nat nav nca ncc ncf ncn nco ncr nct ncv nfa nfc nff nfn nfo nfr nft nfv nna nnc nnf nnn nno nnt nnv no- noa noc nof non noo nor not nov nra nrc nrf nrn nro nrr nrt nrv nta ntc ntf ntn nto ntr ntt ntv nva nvc nvn nvt nvv oaa oac oaf oan oao oar oat oav oc- oca occ ocf ocn oco ocr oct ocv of- ofa ofc off ofn ofo ofr oft ofv on- ona onc onf onn ono onr ont oo- ooa ooc oof oon ooo oor oot oov or- ora orc orf orn oro orr ort orv ot- ota otc otf otn oto otr ott otv ov- ova ovc ovf ovo ovv ra- raa rac raf ran rao rar rat rav rca rcc rcf rcn rco rcr rct rcv rfa rfc rff rfn rfo rfr rft rfv rna rnc rnn rno rnr rnt rnv roa roc rof ron roo ror rot rov rra rrc rrf rrn rrr rrt rta rtc rtf rtn rto rtr rtt rtv rva rvc rvf rvn rvo rvr rvt rvv taa tac taf tan tao tar tat tav tca tcc tcf tcn tco tcr tct tcv tfa tfc tff tfn tfo tfr tft tna tnc tnf tnn tno tnr tnt to- toa toc tof ton too tor tot tov tra trc trf trn tro trr trt trv tta ttc ttf ttn tto ttr ttt ttv tva tvc tvf tvn tvo tvr tvt v-a vaa vac van vao var vat vav vca vcc vcf vcn vco vcr vct vfa vfc vff vfn vfr vft vfv vn- vna vnf vno vnr vnv voa voc vof von voo vor vot vov vra vrc vrf vrn vrr vrt vta vtc vto vtr vtt vtv vva vvc vvo vvr vvt vvv