-aaa- -tree aaaee aaata aabaa aabba aabra aatxe abaab ababa ababe abaer abara abare abate abbar abbat abbet abear abeat abeba abebe abeer abeet abera abere aberr abert abrar abtaa abtar aeaea aebbe aetat aeter ar-ab araat arab- araba arabe araea arara arare arata arate araxa arbab arbar arbat arbee arber arbet arbre areae arear areat areet arere arete arett arexx arrea arret art-x artar artat artax artea arter artex atara ataxx atbar atbat atear ateat ater- aterr atete atrab atrax atree atrex attar attea atter attex attra axert baabe baart baata baate babar babax babee baber babra baert bar-x baraa barab barar barat barba barbe barea barer baret barra barre barta batab batar batat batea bater batra batre batta batte bbart bbbee bbear be-er beara beare beart beata beate bebar bebat beber bebra beebe beete berar berat berba berbe berea beret berra berre berta berte betar betax betee beter betra betre bett- betta bette bexar bexta braat brate bratt bre-x breba breer breet brera brere brett bretx brrar brrrr btr-t earar eatat eater eatre ebara ebart ebate ebber ebbet ebert eeeee erate erbaa erbar erbbe erber erear erere errat ertar erte erter etate etete etext etree etter exata exeat exera exert extat exter extra extre ra-ra raaba raabe rabab rabat rabba rabbe rabet rabta rarae rareb raree rarer ratba rateb rater ratra ratta ratte raxar rear- reata reate rebab rebar rebat rebbe reber rebet rebra reere rere- reree reret retab retar retax retee reter retex retta rette rexea rexer rtext rxart t-ara t-bar t-rex ta-ra ta-ta taart tabae tabar tabat taber tabet tabra tabre tarar tarat tarax taree tarer taret tarra tarre tarta tarte tartt tataa tatar tatee tater tatra tatre tatta taxee taxer tbtbt teaba teaer tear- teara teare teart tebar tebat teber tebet tera- terat teret terex terra terre tert- tetar tetea teter tetex tetr- tetra tette texta texte traba traer trata trate tratt traxx treat treba treer treet trere treta trete trett ttttt x-bar xarre xatar xatax xbxrx xebat xebra xerta xerte xetex xetra xexex xrate xtext xtree xxtea