aaaa aaae aaar aaea aara aare aart aata aatt aeer aer- aera aeta aetr aett aetx arae arar arat arax area aree aret arex arr- arra arre arrr arrt arta arte artr artx at-t at-x ataa atae atar atat atax atea atee ater atex atra atre atrx atta atte attr axar axat axer eara eare eart eata eate eeea eeee eera eeta eete eext er-x erat erer eret erra erre erta etat etee eter etra etre etta ette exa- exer exrx exta exte extr raat raer rara rare rata rate ratt raxa rea- reae rear reat reet rera rere rert reta rete retr rett rexx rrat rrrr rtee rtex taa- taar taat taer tara tare tarr tart tata tate tatr tatt tax- taxa taxe taxt tear teat teer teet ter- tera tere terr teta tete tetr tett tetx texa text traa trae trat trax tre- trea tree tret trex trra trte trtr tter tttt txaa txtr xaar xara xare xate xeer xer- xera xert xexe xtar xtea xtra xxxx