a-be aaaa aaab aaae aaaf aaar aaba aabb aaea aafa aafb aaff aage aara aare abaa abab abae abaf abag abar abb- abba abbb abbe abbr abee aber abez abff abra abza aeaf aeer aega aer- aera afaa afar afee afer affa afgf afr- afra afre agag agar agaz agba agea agee ager agfa agga agge agra agre arab arae araf arag arar arba arbe area aree aref areg arfa arfb arff arga argb arge arr- arra arre arrg arrr arza aza- azab azar azaz azef azer azra azza baaa baaf baar baaz baba babb babe babr baer baez baff baga bage bagg bar- bara barb bare barf barg barr barz baza baze bbbb bbeb bbga bbrg beaf beag bear beba bebb bebe beeb beef beeg beer befa befe beff bega begg bera bere berg berr beze bfgf brab brae braf brag braz brea breb bree bref breg brer brez brrr brza bzer bzzz eaaf eaba eafb eaga eage eara earb eare ebba ebbr eber eeea eeee eefa eefe eega eera eerg eeze ef-g efab efbr effa efze egaa egae egar egba egbe egea egee eger egfr eggb egge egra egre eraf eraz erba erbb erbe ereb erer erez erg- erga ergg erra erre ezer ezra faaa faba fabe faeb fafa fafe faff fafg fage fagg fara farb fare farg farr farz faza faze fbar feaf fear feba feeb feer fefe feff fege fegg fera ferb fere ferr ferz ffar ffee ffff ffrr frab frae frag frea free frzb gaar gaba gabb gabe gabr gabz gaea gaer gafa gafb gaff gaga gage gagg gara garb gare garf garg garr garz gaza gaze gbag geab gear geba gebe geer geez gefe gege gegg gera gerb gere gfer gffa ggfg gggg grab grae graf graz grbr grea greb gree gref greg grez grfa grrr raab raaf raag raaz raba rabb rabe raef raeg raer rafa rafe raff rafz raga rage ragg rara rarb rare rarf rarz raza raze razg razr razz rbaf rbbb rbbr rea- reae reaf rear reba rebb rebe reeb reef refe reff refg refr rega rege regr rera rere rerg reza reze rfae rfef rgba rgbe rrrr rzab zaar zaba zabr zaer zagg zara zarb zare zarf zarr zaza zbar zber zeae zeba zebe zeff zega zegg zera zerf zerg zeze zgba zrze zzzz