-er a-a a-t aaa aae aar aas aat aav aea aee aer aes aet aev ar- ara are arr ars art arv as- asa ase asr ass ast asv at- ata ate atr ats att atv av- ava ave avr avs avt eaa eae ear eas eat eav eea eee eer ees eet eev era ere err ers ert erv es- esa ese esr ess est esv eta ete etr ets ett etv eva eve evr evs evt evv ra- raa rae rar ras rat rav re- rea ree rer res ret rev rra rrr rrs rrt rsa rse rsr rss rst rsv rta rte rtr rts rtt rtv rva rve rvr rvs rvt rvv saa sae sar sas sat sav se- sea see ser ses set sev sr- sra sre srr srs srt srv ss- ssa sse ssr sss sst ssv sta ste str sts stt stv sva sve svr svs svt svv taa tae tar tas tat tav te- tea tee ter tes tet tev tra tre trr trs trt trv tsa tse tsr tss tst tsv tta tte ttr tts ttt ttv tva tve tvr tvs tvt v-a v-e vaa vae var vas vat vav vea vee ver ves vet vra vre vrr vrs vrt vsa vse vsr vss vst vsv vta vte vtr vts vtt vtv vva vvr vvs vvt vvv