-er a-a a-b aaa aab aae aao aar aau aav ab- aba abb abe abo abr abu abv aea aeb aee aeo aer aeu aev aoa aob aoe aoo aor aou aov ar- ara arb are aro arr aru arv au- aua aub aue auo aur auv av- ava avb ave avo avr avu b-u baa bab bae bao bar bau bav bba bbb bbe bbo bbr bbu be- bea beb bee beo ber beu bev boa bob boe boo bor bou bov bra brb bre bro brr bru brv bua bub bue buo bur buu bva bvb bve bvo bvr bvu bvv eaa eab eae eao ear eau eav eba ebb ebe ebo ebr ebu ebv eea eeb eee eeo eer eev eo- eoa eob eoe eoo eor eou era erb ere ero err eru erv eu- eua eub eue eur euv eva evb eve evo evr evv oaa oab oae oao oar oau oav ob- oba obb obe obo obr obu obv oea oeb oee oeo oer oo- ooa oob ooo oor oov or- ora orb ore oro orr oru orv ou- oua oue ouo our ov- ova ovb ove ovo ovv ra- raa rab rae rao rar rau rav rba rbb rbe rbo rbr rbu re- rea reb ree reo rer reu rev roa rob roe roo ror rou rov rra rrb rrr rru rua rub rue ruo rur ruu ruv rva rvb rve rvo rvr rvu rvv ua- uaa uab uae uao uar uau uav uba ubb ube ubo ubr ubu ubv uea ueb uee uer uoa uob uoe uoo uor ur- ura urb ure uro urr uru uua uue uur uuu uva uvb uve uvo uvu uvv v-a v-e vaa vab vae vao var vau vav vba vbo vbr vbv vea veb vee veo ver veu voa vob voe voo vor vou vov vra vrb vre vrr vru vue vur vuv vva vvb vvo vvr vvv

a-be aaaa aaab aaae aaar aaav aaba aabb aaea aaev aaoe aaoo aara aare aaro aaru aava abaa abab abae abar abau abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abou abov abra abro abua abue abva aeer aer- aera aero aeva aoba aoeu aora aorb arab arae arar arau arba arbe area aree areo areu arev aroa arob aroe aroo aror arr- arra arre arro arrr arru arua arub arue arva arve arvo auaa aube auer aur- aura aure auro auve avab avao avar avea aveo aver aveu avor avou avra avre avro avur avva avvo baaa baar baba babb babe babo babr babu baer bar- bara barb bare baro barr baru bau- baur bava bave bavu bbau bbbb bbeb bear beau beav beba bebb bebe bebo beeb beer beo- beor bera bere bero berr beru beur bevo boab boar boba bobb bobe bobo bobu boea boee boeo boer boob booe boor bor- bora bore boro borr boru boua boue bour bova bove bovo brab brae brao brau brav brea breb bree breo brer brev broa brob broe broo bror brou brrr brue bruv buar buba bubb bube bubo bubu buea buer bueu bur- bura burb bure buro burr buru buve eaba eara earb eare earo eave ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eera eero eeva eora eore erau erba erbb erbe ereb erer erev erob eroe eroo erra erre erro erua erub erur eruv erve euba euer eur- eura eure euro evae evar evea ever evoe evoo evra evre o-eo oaau oaer oara oare obba obbo obea ober oboe obor obra obre obro oera oere ooaa ooba oobe ooer oooo oora oore orab orae orao orar orav orba orbb orbe orbo orbu ore- orea oreb oreo orer oro- oroe oror orra orro orub orve orvr ouea ouer our- oura oure ouro ouu- ovar ovee over ovo- ovoo ovra ovre raab raba rabb rabe rabo rabu raer raob rara rarb rare raro raua raub raue rava rave rbbb rbbr rea- reae reao rear reau reba rebb rebe rebo rebu reeb reev reou rera rere rero reru reue reuu reva reve revo roab roar rob- roba robb robe robo robu roea roer roev roob roor rora rore roro roru roua roub roue rova rove rovo rrrr ruba rubb rube rubu ruer rura rure ruro ruru ruve ruvu rver uaru uaua ubar ubba ubbe ubbo uber ubra ueba uor- uore uovo urao urau urba urbe ure- urea uro- uroa uroo urra urre urur urva urve uuuu uv-a uv-b uvaa uvae uvea uver uvvu vaar vara vare varr varu vava vear veau veba veer veor ver- vera verb vere vero veur veve vevo voar voer voeu voor vor- vora vore voro voru voue vour vrav vrba vreo vurb vver vvob vvvv

-aaa- aaaee aabaa aabba aabra aarau abaab ababa ababe ababu abaer abara abare abaru abava abave abbar abbou abbur abear abeau abeba abebe abeer abera abere aberr aboab abobo abora abore aboue above abovo abrar abreu abura aburr aeaea aebbe aereo aero- aeroe aerru aerva aoure ar-ab arab- araba arabe arabo araea arara arare araru arava arave aravu arbab arbar arbee arber arbor arbre areae arear areo- arere arero areva aroab aroar aroba arobe aroer aroor arora arore arove arrau arrea arroe arrou arrua aruaa aruba arura aruru aruvu arvar auber aurae aurar aurea auro- auroa auror aurra aurva avara avare avaro avber avebe aveer aver- avera averb aveva aveve avoer avoue avour avouu avree baabe baava babar babau babee baber baboo babou babra babur baoro baraa barab barao barar barba barbe barbu barea bareo barer baro- baroa baroo baror barra barre barro barru barua barva baubo bauer baura baure bauru bavar bavra bbbee bbear be-er be-ro beara beare bebar beber bebra beebe beeve beour berar berau berav berba berbe berea berob beroe beror berra berre berru beuer beure beuve bevar bever bevor bevue bo-bo boaro bobar bobea bobov bobr bobre boero boeur booba booer boora boore booru borau borba borbo borea boree borer boro- boroa boroo borou borov borra