a-a a-t aaa aao aar aas aat aav aoa aoo aor aos aot aov ar- ara aro arr ars art arv as- asa aso asr ass ast asv at- ata ato atr ats att atv av- ava avo avr avs avt oaa oao oar oas oat oav oo- ooa ooo oor oos oot oov or- ora oro orr ors ort orv os- osa oso osr oss ost osv ot- ota oto otr ots ott otv ov- ova ovo ovs ovv ra- raa rao rar ras rat rav roa roo ror ros rot rov rra rrr rrs rrt rsa rso rsr rss rst rsv rta rto rtr rts rtt rtv rva rvo rvr rvs rvt rvv saa sao sar sas sat sav soa soo sor sos sot sov sr- sra sro srr srs srt srv ss- ssa sso ssr sss sst ssv sta sto str sts stt stv sva svo svr svs svt svv taa tao tar tas tat tav to- toa too tor tos tot tov tra tro trr trs trt trv tsa tso tsr tss tst tsv tta tto ttr tts ttt ttv tva tvo tvr tvs tvt v-a vaa vao var vas vat vav voa voo vor vos vot vov vra vrr vrs vrt vsa vso vsr vss vst vsv vta vto vtr vts vtt vtv vva vvo vvr vvs vvt vvv