a-be a-do aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aadu aaea aaoe aaoo aara aard aare aaro aaru abaa abab abad abae abar abau abax abb- abba abbb abbe abbo abbr abda abdo abdu abed abee aber aboa abob abod aboo abor abou abox abra abro abua abud abue adaa adab adad adae adao adar adba adda addd adde addo addr addu adea adeb adee adeo ader adob adod adoe adoo ador adox adra adre adro adua adub adue adur aede aeer aer- aera aerd aero aoba aoeu aora aorb arab arad arae arar arau arax arba arbe arda arde ardo ardu area ared aree areo areu arex aroa arob arod aroe aroo aror arr- arra arre arro arrr arru arua arub arud arue auaa aube aude audo auer aur- aura aurd aure auro auxa axar axed axer axo- axoa axxo ba-x baaa baad baar baba babb babe babo babr babu bada badb badd bade bado badr badu baed baer bar- bara barb bard bare baro barr baru barx bau- baud baur baux bbad bbau bbbb bbdd bbdo bbeb bbox bd-r bead bear beau beba bebb bebe bebo beda bede bedo bedu beeb beed beer beo- beod beor bera berd bere bero berr beru beur beux boab boad boar boba bobb bobe bobo bobu boda bodb bode bodo bodu boea boee boeo boer boob bood booe boor boox bor- bora bord bore boro borr boru boua boud boue bour boxa brab brad brae brao brau brax brda brdo brea breb bred bree breo brer brex broa brob brod broe broo bror brou brox brrr brud brue brux buad buar buba bubb bube bubo bubu buda budb budd bude budo budu buea buer bueu bur- bura burb burd bure buro burr buru buxa d-bo daab daad daae daar daau daba dabb dabo dabu dada dade dado dadu daeb daer daeu daou dara darb dard dare daro darr daru daub daud daue daur daux dbar dddd ddre ddub dead deae dear deau deba debe debu deda dedd dede dedo dedu deeb deed deer deor der- dera derb dere dero derr deua deue deur deux dex- dexa dexe do-x doab doae doar doba dobb dobe dobu dod- doda dodd dode dodo doea doer doob dood door dora dord dore doro dorr doru doub doud doue dour doux doxa draa drab drad drar drau drax drba drda drea dred dree drob drod drou drra drua drub drue druu duaa duab duad duar dub- duba dubb dube dubu duda dudd dude dudo dudu duer duo- dura dure duro duru duur dxab dxbe dxbr dxdr dxed dxra dxrd dxre dxrr dxrx dxue dxur dxxr dxxx eaba eada eadb eadd eara earb eard eare earo eaux ebba ebbo ebbr ebed eber eboe eboo ebor ebox ebro ebru ebur edad edar edax edda edde eddo ede- edea eder edex edod edou edra edru edur eede eedu eeea eeee eera eero eode eora eore eoux er-x erad erau erba erbb erbe erda erde ereb ered erer erob erod eroe eroo erra erre erro erua erub erur euba eude euer eur- eura eure euro exa- exda exed exer exo- exod exor exrx o-eo oaau oade oaer oara oare obad obba obbo obea obed ober obex oboe obor obox obra obre obro odax odbo odda oddd odea oded odeo oder odex odoo odor odou odra odur oeax oedo oera oere ooaa ooba oobe ooda ooer oooo oora oord oore orab orad orae orao orar orba orbb orbe orbo orbu orda orde ordo ordu ore- orea oreb ored oreo orer orex oro- oroe oror orra orro orub ouad oude ouea oued ouer our- oura oure ouro ouu- oxa- oxea oxer oxo- oxox oxud oxxo raab raad raba rabb rabe rabo rabu rada radd rade rado radr radu radx raed raer raob rara rarb rare raro raua raub raud raue raxa rbbb rbbr rder rea- read reae reao rear reau reba rebb rebe rebo rebu reda redd rede redo redr redu redx reeb reed reod reou rera rerd rere rero reru reue reuu reux rexx roab road roar rob- roba robb robe robo robu roda rodd rode rodo roea roed roer roob rood roor roox rora rore roro roru roua roub roud roue roux roxa roxo rrad rred rrrr ruad ruba rubb rube rubu ruda rudd rude rudo rued ruer rura rurd rure ruro ruru ruud uaru uaua ubar ubba ubbe ubbo uber ubod ubra ubud udaa udad udar udau udea uder udoo udox udra ueba ueda uor- uore urad urao urau urba urbe urda urde urdu ure- urea ured urex uro- uroa uroo urox urra urre urur uuuu uxor uxue x-ed xaar xado xara xare xbar xbee xbox xbra xeer xer- xera xero xexe xoro xoxo xrdb xrod xuda xura xuxa xuxu xxxo xxxx