a-be aaaa aaab aaae aaar aaav aaba aabb aaea aaev aage aara aare aava abaa abab abae abag abar abb- abba abbb abbe abbr abee aber abra abva aeer aega aer- aera aeva agag agar agav agba agea agee ager agga agge agra agre agva arab arae arag arar arba arbe area aree areg arev arga argb arge arr- arra arre arrg arrr arva arve avab avar avea aver avra avre avva baaa baar baba babb babe babr baer baga bage bagg bar- bara barb bare barg barr bava bave bbbb bbeb bbga bbrg beag bear beav beba bebb bebe beeb beeg beer bega begg bera bere berg berr brab brae brag brav brea breb bree breg brer brev brrr eaba eaga eage eara earb eare eave ebba ebbr eber eeea eeee eega eera eerg eeva egaa egae egar egba egbe egea egee eger eggb egge egra egre erba erbb erbe ereb erer erev erg- erga ergg erra erre erve evae evar evea ever evga evra evre gaar gaba gabb gabe gabr gaea gaer gaga gage gagg gara garb gare garg garr garv gava gave gbag geab gear geba gebe geer gege gegg gera gerb gere geva geve gggg grab grae grav grbr grea greb gree greg grev grrr grve gvvv raab raag raba rabb rabe raeg raer raga rage ragg rara rarb rare rava rave rbbb rbbr rea- reae rear reba rebb rebe reeb reev rega rege regr rera rere rerg reva reve rgba rgbe rrrr rver vaar vag- vaga vage vagg vara vare varg varr vava vbrg vear veba veer vega vege ver- vera verb vere veve vrav vrba vver vvvv