a-a a-t aaa aao aap aar aas aat aav aoa aoo aop aor aos aot aov ap- apa apo app apr aps apt apv ar- ara aro arp arr ars art arv as- asa aso asp asr ass ast asv at- ata ato atp atr ats att atv av- ava avo avp avr avs avt oaa oao oap oar oas oat oav oo- ooa ooo oop oor oos oot oov op- opa opo opp opr ops opt opv or- ora oro orp orr ors ort orv os- osa oso osp osr oss ost osv ot- ota oto otp otr ots ott otv ov- ova ovo ovp ovs ovv p-p paa pao pap par pas pat pav poa poo pop por pos pot pov ppa ppo ppp ppr pps ppt ppv pra pro prp prr prs prt prv ps- psa pso psp psr pss pst psv pt- pta pto ptp ptr pts ptt ptv pva pvo pvp pvr pvs pvt pvv ra- raa rao rap rar ras rat rav roa roo rop ror ros rot rov rpa rpo rpp rpr rps rpt rpv rra rrp rrr rrs rrt rsa rso rsp rsr rss rst rsv rta rto rtp rtr rts rtt rtv rva rvo rvp rvr rvs rvt rvv saa sao sap sar sas sat sav soa soo sop sor sos sot sov spa spo spp spr sps spt spv sr- sra sro srp srr srs srt srv ss- ssa sso ssp ssr sss sst ssv sta sto stp str sts stt stv sva svo svp svr svs svt svv taa tao tap tar tas tat tav to- toa too top tor tos tot tov tpa tpo tpp tpr tps tpt tpv tra tro trp trr trs trt trv tsa tso tsp tsr tss tst tsv tta tto ttp ttr tts ttt ttv tva tvo tvp tvr tvs tvt v-a vaa vao vap var vas vat vav voa voo vop vor vos vot vov vpa vpo vpp vpr vps vpt vra vrp vrr vrs vrt vsa vso vsp vsr vss vst vsv vta vto vtr vts vtt vtv vva vvo vvr vvs vvt vvv