a-a a-c a-t aaa aac aao aap aar aas aat aav ac- aca acc aco acp acr acs act acv aoa aoc aoo aop aor aos aot aov ap- apa apc apo app apr aps apt apv ar- ara arc aro arp arr ars art arv as- asa asc aso asp asr ass ast asv at- ata atc ato atp atr ats att atv av- ava avc avo avp avr avs avt c-- caa cac cao cap car cas cat cav cca ccc cco ccp ccr ccs cct ccv co- coa coc coo cop cor cos cot cov cpa cpc cpo cpp cpr cps cpt cpv cra crc cro crp crr crs crt crv csa csc cso csp csr css cst csv cta ctc cto ctp ctr cts ctt ctv cva cvc cvo cvp cvr cvs cvt cvv oaa oac oao oap oar oas oat oav oc- oca occ oco ocp ocr ocs oct ocv oo- ooa ooc ooo oop oor oos oot oov op- opa opc opo opp opr ops opt opv or- ora orc oro orp orr ors ort orv os- osa osc oso osp osr oss ost osv ot- ota otc oto otp otr ots ott otv ov- ova ovc ovo ovp ovs ovv p-p paa pac pao pap par pas pat pav pca pcc pco pcp pcr pcs pct pcv poa poc poo pop por pos pot pov ppa ppc ppo ppp ppr pps ppt ppv pra prc pro prp prr prs prt prv ps- psa psc pso psp psr pss pst psv pt- pta ptc pto ptp ptr pts ptt ptv pva pvc pvo pvp pvr pvs pvt pvv ra- raa rac rao rap rar ras rat rav rca rcc rco rcp rcr rcs rct rcv roa roc roo rop ror ros rot rov rpa rpc rpo rpp rpr rps rpt rpv rra rrc rrp rrr rrs rrt rsa rsc rso rsp rsr rss rst rsv rta rtc rto rtp rtr rts rtt rtv rva rvc rvo rvp rvr rvs rvt rvv saa sac sao sap sar sas sat sav sca scc sco scp scr scs sct scv soa soc soo sop sor sos sot sov spa spc spo spp spr sps spt spv sr- sra src sro srp srr srs srt srv ss- ssa ssc sso ssp ssr sss sst ssv sta stc sto stp str sts stt stv sva svc svo svp svr svs svt svv taa tac tao tap tar tas tat tav tca tcc tco tcp tcr tcs tct tcv to- toa toc too top tor tos tot tov tpa tpc tpo tpp tpr tps tpt tpv tra trc tro trp trr trs trt trv tsa tsc tso tsp tsr tss tst tsv tta ttc tto ttp ttr tts ttt ttv tva tvc tvo tvp tvr tvs tvt v-a vaa vac vao vap var vas vat vav vca vcc vco vcp vcr vcs vct voa voc voo vop vor vos vot vov vpa vpc vpo vpp vpr vps vpt vra vrc vrp vrr vrs vrt vsa vsc vso vsp vsr vss vst vsv vta vtc vto vtr vts vtt vtv vva vvc vvo vvr vvs vvt vvv