a-be aaaa aaab aaae aaar aaav aaba aabb aaea aaev aage aara aare aaru aava abaa abab abae abag abar abau abb- abba abbb abbe abbr abee aber abra abua abue abug abva aeer aega aer- aera aeva agag agar agau agav agba agea agee ager agga agge aggu agra agre agua ague agur agva arab arae arag arar arau arba arbe area aree areg areu arev arga argb arge arr- arra arre arrg arrr arru arua arub arue arug arva arve auaa aube auer auga auge aur- aura aure auug auve avab avar avea aver aveu avra avre avur avva baaa baar baba babb babe babr babu baer baga bage bagg bar- bara barb bare barg barr baru bau- baug baur bava bave bavu bbau bbbb bbeb bbga bbrg beag bear beau beav beba bebb bebe beeb beeg beer bega begg begu bera bere berg berr beru beur brab brae brag brau brav brea breb bree breg brer brev brrr brue brug bruv buar buba bubb bube bubu buea buer bueu buga buge bugg bur- bura burb bure burg burr buru buve eaba eaga eage eara earb eare eave ebba ebbr eber ebru ebur eeea eeee eega eera eerg eeva egaa egae egar egba egbe egbu egea egee eger eggb egge egra egre erau erba erbb erbe ereb erer erev erg- erga ergg erra erre erua erub erur eruv erve euba euer euge eur- eura eure evae evar evea ever evga evra evre gaar gaba gabb gabe gabr gabu gaea gaer gaga gage gagg gagu gara garb gare garg garr garv gaua gaub gaue gaur gava gave gbag geab gear geba gebe geer gege gegg gera gerb gere geru geue geva geve gggg grab grae grau grav grbr grea greb gree greg greu grev grrr grua grub grue grug grur grve guaa guag guar guba gubb gubu guer guga gugb guge gugg gugu gura gurb gure gurg gurr guru guva gvvv raab raag raba rabb rabe rabu raeg raer raga rage ragg ragu rara rarb rare raua raub raue rava rave rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb reev rega rege regr regu rera rere rerg reru reue reuu reva reve rgba rgbe rrrr ruag ruba rubb rube rubu ruer ruga ruge rugg rura rure ruru ruve ruvu rver uaru uaua ubar ubba ubbe uber ubra ueba ugab ugar ugra ugur uguu urau urba urbe ure- urea urga urge urgu urra urre urur urva urve uuuu uv-a uv-b uvaa uvae uvea uver uvvu vaar vag- vaga vage vagg vara vare varg varr varu vava vbrg vear veau veba veer vega vege ver- vera verb vere veur veve vrav vrba vugg vurb vurg vver vvvv