a-be a-ha aaaa aaab aaae aaah aaar aaav aaba aabb aabh aaea aaev aaha aara aare aaru aava abaa abab abae abar abau abb- abba abbb abbe abbr abee aber abha abhr abra abua abue abva aeer aer- aera aeva ahab ahah ahar ahau ahha ahra ahre ahrr ahua ahva arab arae arah arar arau arba arbe arbh area aree areh areu arev arh- arr- arra arre arrh arrr arru arua arub arue arva arve auaa aube auer aur- aura aure auve avab avar avea aveh aver aveu avra avre avur avva baaa baah baar baba babb babe babr babu baer baha bahr bahu bar- bara barb bare barh barr baru bau- baur bava bave bavu bbau bbbb bbeb beah bear beau beav beba bebb bebe beeb beer behr bera bere berr beru beur bhar bher bhra bhur bhuu brab brae brah brau brav brea breb bree brer brev brrr brue bruh bruv buar buba bubb bube bubu buea buer bueu buha buhe buhr bur- bura burb bure burh burr buru buve eaba eabh eara earb eare earh eave ebba ebbr eber ebru ebur eeea eeee eera eeva ehaa ehav ehea eheh eher eheu ehre erau erba erbb erbe ereb erer erev erhu erra erre erua erub eruh erur eruv erve euba euer eur- eura eure evae evah evar evea ever evra evre haab haar haba habe habu haha hara hare harh harr haru harv hau- haue hava have hbar heah hear hebb hebe hebr heeb heer hehe hera herb here herr heru heue heur heve hhaa hhhh hree huah huba hubb hube huea huer huhu hura hure hurr huru huub huve hvar raab raba rabb rabe rabu raer raha rahe rahr rahu rara rarb rare raua raub raue rava rave rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb reev reha rehb rehe rera rere reru reue reuu reva reve rhae rhau rhea rheb rhee rhue rrah rrrr ruah ruba rubb rube rubu ruer ruhe ruhh ruhr rura rure ruru ruve ruvu rver rvvh uaru uaua ubar ubba ubbe uber ubra ueba uher uhuh urau urba urbe ure- urea ureh urra urre urrh urur urva urve uuuu uv-a uv-b uvaa uvae uvea uver uvvu vaar vahe vara vare varr varu vava vear veau veba veer ver- vera verb vere veur veve vhhh vrav vrba vrhe vurb vver vvvv