aaaa aaar aaas aaoo aara aaro aars aart aasa aass aast aata aatt aora aors aort aoss arar aras arat arax aroa aroo aror aros arr- arra arro arrr arrs arrt ars- arsa arso arst arta arto artr arts artx asaa asao asar asas asat asor asos asot asra asro asrs assa asso assr asss asst asta asto astr asts at-t at-x ataa atar atas atat atax ator atos atot atra atro atrx atst atta atto attr atts axar axat axo- axoa axos axto axxo oara oars oass oast oats ooaa oooo ooos oora oort oosa oost oots orao orar oras orat oro- oror oros orot orra orro orrs orsa orso orta orto orts osar osas osat osoo osor osos osro ossa osso osta ostr osts otar otas oto- otoo otor otos otra otro otrs otsa otso otta otto otts oxa- oxo- oxos oxox oxxo raas raat raos rara raro rars rasa raso rass rast rata rato rats ratt raxa roar roas roat roor roos root roox rora roro rort rosa roso ross rost rota roto rotr rots rott roxa roxo rras rrat rrrr rsaa rsos rssa rsts rtas rtss rtts s-os sa-x saar saas saat saor saos sara saro sarr sars sart sasa saso sass sast sata sato satr sats satt saxa saxo saxt soar soas soat soor soos soot sora soro sorr sors sort sosa soso soss sost sota soto sots soxs sras sros srta srtr ssaa ssao ssas ssat ssot ssra ssrs sssa ssss ssta ssts star stas stat stax stoa stoo stor stos stot stox stra stro strs stss sttr taa- taar taas taat taoa taor taos tara taro tarr tars tart tasa tasr tass tast tata tato tatr tats tatt tax- taxa taxo taxt toas toat tooa toor toos toot tora toro torr tors tort torx tosa toso toss tost tosx tota toto totr tots tott tox- toxa toxo toxs toxt traa trao tras trat trax troa troo tros trot trox trra trst trtr tsaa tsao tsar tsat tsos tssa tssr tsst tsts ttss tttt txaa txtr xaar xaos xara xats xoro xors xosa xoxo xtar xtra xtro xtsr xxxo xxxx