a-be aaaa aaab aaae aaar aaba aabb aabt aaea aara aare aart aata aatt abaa abab abae abar abat abb- abba abbb abbe abbr abbt abee aber abet abez abra abta abza aeer aer- aera aeta aetr aett arab arae arar arat arba arbe area aree aret arr- arra arre arrr arrt arta arte artr artz arza at-t ataa atab atae atar atat atea atee ater atez atra atre atta atte attr aza- azab azar azat azaz azer azet azra azza baaa baar baat baaz baba babb babe babr baer baez bar- bara barb bare barr bart barz bata bate batt batz baza baze bbbb bbeb bbet bear beat beba bebb bebe beeb beer beet bera bere berr bert beta bete bett betz beze brab brae brat braz brea breb bree brer bret brez brrr brza btaa btrt bttb bzer bzzt bzzz eaba eara earb eare eart eata eate ebba ebbr eber eeea eeee eera eeta eete eeze erat eraz erba erbb erbe ereb erer eret erez erra erre erta ertz etat etbr etee eter etra etre etta ette ezer ezra raab raat raaz raba rabb rabe raer rara rarb rare rarz rata rate ratt ratz raza raze razr razz rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet rera rere rert reta rete retr rett retz reza reze rrat rrrr rtee rzab taa- taar taat taba tabb tabe taer tara tarb tare tarr tart tata tatb tate tatr tatt tatz taza taze tazr tazz tbar tbrb tbta tear teat teaz teba teer teet teez ter- tera tere terr teta tete tetr tett tetz teza tezz traa trab trae trat traz tre- trea tree tret trez trra trte trtr ttab ttbb tter tttt tzar tzzt zaar zaat zaba zabr zaer zara zarb zare zarr zaza zbar zber zeae zeba zebe zera zert zeta zete zeze zrze zzzz