a-be aaaa aaab aaae aaar aaav aaba aabb aaea aaev aara aare aaru aava abaa abab abae abar abau abb- abba abbb abbe abbr abee aber abez abra abua abue abva abza abzu aeer aer- aera aeva arab arae arar arau arba arbe area aree areu arev arr- arra arre arrr arru arua arub arue arva arve arza arzu auaa aube auer aur- aura aure auve avab avar avaz avea aver aveu avez avra avre avur avva aza- azab azar azaz azer azra azua azur azza baaa baar baaz baba babb babe babr babu baer baez bar- bara barb bare barr baru barz bau- baur bava bave bavu baza baze bbau bbbb bbeb bear beau beav beba bebb bebe beeb beer bera bere berr beru beur bevz beze bezu brab brae brau brav braz brea breb bree brer brev brez brrr brue bruv bruz brza buar buba bubb bube bubu buea buer bueu bur- bura burb bure burr buru burz buuz buve buza buze buzz bzer bzzz eaba eara earb eare eave ebba ebbr eber ebru ebur eeea eeee eera eeva eeze erau eraz erba erbb erbe ereb erer erev erez erra erre erua erub erur eruv erve euba euer eur- eura eure evae evar evaz evea ever evra evre ezer ezra ezuz raab raaz raba rabb rabe rabu raer rara rarb rare rarz raua raub raue rava rave raza raze razr razz rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb reev rera rere reru reue reuu reva reve reza reze rezu rrrr ruba rubb rube rubu ruer ruez rura rure ruru ruve ruvu ruza ruze rver rzab rzav uaru uaua ubar ubba ubbe uber ubra ueba urau urba urbe ure- urea urra urre urur uruz urva urve urza uuuu uv-a uv-b uvaa uvae uvea uver uvvu uzeb uzer vaar vaez vara vare varr varu vava vaza vear veau veba veer ver- vera verb vere veur veve veza veze vrav vraz vrba vurb vuze vuzu vuzz vver vvvv zaar zaav zaba zabr zabu zaer zara zarb zare zarr zaru zaur zave zaza zazu zbar zber zeae zeba zebe zebu zera zeve zeze zrze zubr zubu zura zurb zurr zuru zuzu zvab zvue zzzz