-er a-a a-b aaa aab aae aao aar aau aax ab- aba abb abe abo abr abu abx aea aeb aee aeo aer aeu aex aoa aob aoe aoo aor aou aox ar- ara arb are aro arr aru arx au- aua aub aue auo aur aux ax- axa axe axo axr axx b-u baa bab bae bao bar bau bax bba bbb bbe bbo bbr bbu bbx be- bea beb bee beo ber beu bex boa bob boe boo bor bou box bra brb bre bro brr bru brx bua bub bue buo bur buu bux bxb bxo bxx eaa eab eae eao ear eau eax eba ebb ebe ebo ebr ebu ebx eea eeb eee eeo eer eex eo- eoa eob eoe eoo eor eou era erb ere ero err eru eu- eua eub eue eur eux ex- exa exe exo exr exu exx oaa oab oae oao oar oau oax ob- oba obb obe obo obr obu obx oea oeb oee oeo oer oex oo- ooa oob ooo oor oox or- ora orb ore oro orr oru orx ou- oua oue ouo our ox- oxa oxb oxo oxx ra- raa rab rae rao rar rau rax rba rbb rbe rbo rbr rbu rbx re- rea reb ree reo rer reu rex roa rob roe roo ror rou rox rra rrb rrr rru rua rub rue ruo rur ruu rux rxr ua- uaa uab uae uao uar uau uba ubb ube ubo ubr ubu ubx uea ueb uee uer uoa uob uoe uoo uor uox ur- ura urb ure uro urr uru urx uua uue uur uuu uxb uxo uxr uxu xaa xar xau xbe xbr xbx xee xer xeu xex xoa xoo xor xox xrx xue xxo xxx

a-be aaaa aaab aaae aaar aaba aabb aaea aaoe aaoo aara aare aaro aaru abaa abab abae abar abau abax abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abou abox abra abro abua abue aeer aer- aera aero aoba aoeu aora aorb arab arae arar arau arax arba arbe area aree areo areu arex aroa arob aroe aroo aror arr- arra arre arro arrr arru arua arub arue auaa aube auer aur- aura aure auro auxa axar axer axo- axoa axxo ba-x baaa baar baba babb babe babo babr babu baer bar- bara barb bare baro barr baru barx bau- baur baux bbau bbbb bbeb bbox bear beau beba bebb bebe bebo beeb beer beo- beor bera bere bero berr beru beur beux boab boar boba bobb bobe bobo bobu boea boee boeo boer boob booe boor boox bor- bora bore boro borr boru boua boue bour boxa brab brae brao brau brax brea breb bree breo brer brex broa brob broe broo bror brou brox brrr brue brux buar buba bubb bube bubo bubu buea buer bueu bur- bura burb bure buro burr buru buxa eaba eara earb eare earo eaux ebba ebbo ebbr eber eboe eboo ebor ebox ebro ebru ebur eeea eeee eera eero eora eore eoux er-x erau erba erbb erbe ereb erer erob eroe eroo erra erre erro erua erub erur euba euer eur- eura eure euro exa- exer exo- exor exrx o-eo oaau oaer oara oare obba obbo obea ober obex oboe obor obox obra obre obro oeax oera oere ooaa ooba oobe ooer oooo oora oore orab orae orao orar orba orbb orbe orbo orbu ore- orea oreb oreo orer orex oro- oroe oror orra orro orub ouea ouer our- oura oure ouro ouu- oxa- oxea oxer oxo- oxox oxxo raab raba rabb rabe rabo rabu raer raob rara rarb rare raro raua raub raue raxa rbbb rbbr rea- reae reao rear reau reba rebb rebe rebo rebu reeb reou rera rere rero reru reue reuu reux rexx roab roar rob- roba robb robe robo robu roea roer roob roor roox rora rore roro roru roua roub roue roux roxa roxo rrrr ruba rubb rube rubu ruer rura rure ruro ruru uaru uaua ubar ubba ubbe ubbo uber ubra ueba uor- uore urao urau urba urbe ure- urea urex uro- uroa uroo urox urra urre urur uuuu uxor uxue xaar xara xare xbar xbee xbox xbra xeer xer- xera xero xexe xoro xoxo xura xuxa xuxu xxxo xxxx

-aaa- -eaux a-box aaaee aabaa aabba aabra aarau abaab ababa ababe ababu abaer abara abare abaru abbar abbou abbur abear abeau abeba abebe abeer abera abere aberr aboab abobo abora abore aboue abrar abreu abura aburr aeaea aebbe aereo aero- aeroe aerru aoure ar-ab arab- araba arabe arabo araea arara arare araru araux araxa arbab arbar arbee arber arbor arbre areae arear areo- arere arero arexx aroab aroar aroba arobe aroer aroor arora arore arrau arrea arroe arrou arrua aruaa aruba arura aruru auaxa auber aurae aurar aurea auro- auroa auror aurox aurra auxo- axura baabe babar babau babax babee baber baboo babou babra babur baoro bar-x baraa barab barao barar barba barbe barbu barea bareo barer baro- baroa baroo baror barra barre barro barru barua baubo bauer baura baure bauru bbbee bbear be-er be-ro beara beare beaux bebar beber bebox bebra beebe beour berar berau berba berbe berea berob beroe beror berra berre berru beuer beure bexar bo-bo boaro bobar bobea bobr bobre boero boeur booba booer boora boore booru borau borax borba borbo borea boree borer borex boro- boroa boroo borou borox borra borre borro bouar bouba bouee bouer bouex boura boure boxbe boxee boxer braux bre-x breba brebu breer breo- brera brere breu- breux brobo broer brora broue broxa brrar brrrr bruer bruxa bubba bubbe buber buoux buraa burao burea buroo burra burro burru buxar e-box earar earou ebara ebber eboue ebure eeeee eorre erbaa erbar erbbe erber erear erere eroor erora erore error eubro eurex euro- euroa eurre euxoa exaro exera exorb exore exurb o-r-b oarer oaror obaba obara obora oboro oboue obrab obreb oo-er ooooo oraba oraea orara orare orbea orear oreo- orera orere orero orexa orexo orobe orobo oroer oroua oroux orube oruro ouara