-er a-a aaa aae aar aav aaw aea aee aer aev aew ar- ara are arr arv arw av- ava ave avr avw aw- awa awe awr awv aww eaa eae ear eav eaw eea eee eer eev eew era ere err erv erw eva eve evr evv evw ewa ewe ewr eww ra- raa rae rar rav raw re- rea ree rer rev rew rra rrr rva rve rvr rvv rvw rwa rwe rwr v-a v-e vaa vae var vav vaw vea vee ver vew vra vre vrr vva vvr vvv vwa waa wae war wav waw wea wee wer wew wr- wra wre wrr wrw wva wvw wwa wwe wwv www