a-a a-c a-t aaa aac aap aar aat aav ac- aca acc acp acr act acv ap- apa apc app apr apt apv ar- ara arc arp arr art arv at- ata atc atp atr att atv av- ava avc avp avr avt c-- caa cac cap car cat cav cca ccc ccp ccr cct ccv cpa cpc cpp cpr cpt cpv cra crc crp crr crt crv cta ctc ctp ctr ctt ctv cva cvc cvp cvr cvt cvv p-p paa pac pap par pat pav pca pcc pcp pcr pct pcv ppa ppc ppp ppr ppt ppv pra prc prp prr prt prv pt- pta ptc ptp ptr ptt ptv pva pvc pvp pvr pvt pvv ra- raa rac rap rar rat rav rca rcc rcp rcr rct rcv rpa rpc rpp rpr rpt rpv rra rrc rrp rrr rrt rta rtc rtp rtr rtt rtv rva rvc rvp rvr rvt rvv taa tac tap tar tat tav tca tcc tcp tcr tct tcv tpa tpc tpp tpr tpt tpv tra trc trp trr trt trv tta ttc ttp ttr ttt ttv tva tvc tvp tvr tvt v-a vaa vac vap var vat vav vca vcc vcp vcr vct vpa vpc vpp vpr vpt vra vrc vrp vrr vrt vta vtc vtr vtt vtv vva vvc vvr vvt vvv