-er a-a a-b a-i aaa aab aae aai aao aar ab- aba abb abe abi abo abr aea aeb aee aei aeo aer ai- aia aib aie aii aio air aoa aob aoe aoi aoo aor ar- ara arb are ari aro arr baa bab bae bai bao bar bba bbb bbe bbi bbo bbr be- bea beb bee bei beo ber bi- bia bib bie bii bio bir boa bob boe boi boo bor bra brb bre bri bro brr eaa eab eae eai eao ear eba ebb ebe ebi ebo ebr eea eeb eee eeo eer eia eib eie eii eio eir eo- eoa eob eoe eoi eoo eor era erb ere eri ero err ia- iaa iab iae iai iao iar iba ibb ibe ibi ibo ibr ie- iea iee iei ier iia iib iie iii iio iir io- ioa iob ioe ioi ioo ior ir- ira irb ire iri iro irr o-i oaa oab oae oai oao oar ob- oba obb obe obi obo obr oea oeb oee oei oeo oer oia oib oie oii oio oir oo- ooa oob ooi ooo oor or- ora orb ore ori oro orr ra- raa rab rae rai rao rar rba rbb rbe rbi rbo rbr re- rea reb ree rei reo rer ria rib rie rii rio rir roa rob roe roi roo ror rra rrb rri rrr

a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aaoe aaoo aara aare aari aaro abaa abab abae abai abar abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abir aboa abob aboo abor abra abri abro aebi aeer aeio aer- aera aeri aero aiai aiba aibo aiea aiee aiia aiib aiir aioi aira aire airi airo aoba aora aorb arab arae arai arar arba arbe arbi area aree arei areo aria arib arie arii ario aroa arob aroe aroi aroo aror arr- arra arre arri arro arrr ba-i baaa baar baba babb babe babi babo babr baer baia baib baie baio bair bar- bara barb bare bari baro barr bbbb bbeb bear beba bebb bebe bebi bebo beeb beer beia beir beo- beor bera bere beri bero berr biao biar biba bibb bibe bibi bibo bieb bier bio- bioi bira birb bire biri biro birr boab boai boar boba bobb bobe bobi bobo boea boee boeo boer boi- boie boii boob booe boor bor- bora bore bori boro borr brab brae brai brao brea breb bree brei breo brer bria brie brio broa brob broe broo bror brrr eaba eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero eiao eiei eier eira eire eoir eora eore eori erba erbb erbe ereb erei erer eria erie erio erob eroe eroi eroo erra erre erro i-be iaaa iaai iaba iaea iaia iara iare ibar ibea ibia ibie ibra ibri ibro ieie ieio iera iere ieri iiie iiii iiio iioi iioo iira ioba iobi ioee ioii ioio iooi iooo iora iore iori irae irai irao irar irbe iree irer iri- iria irie irio irob irra irre irri o-eo oaer oara oare obai obba obbo obea ober obia obie oboe oboi obor obra obre obri obro oera oere oiba oier oiii oira oire ooaa ooba oobe oobi ooer ooia oooo oora oore orab orae orai orao orar orba orbb orbe orbi orbo ore- orea oreb oreo orer ori- oria orie orio oro- oroe oror orra orri orro raab raba rabb rabe rabi rabo raer raia raie raii rair raob rara rarb rare rari raro rbbb rbbr rea- reae reao rear reba rebb rebe rebo reeb reia reii reir rera rere reri rero riaa riab riai rib- riba ribe ribo rier riia rire riri roab roar rob- roba robb robe robi robo roea roer roia roio roir roob rooi roor rora rore rori roro rrrr

-aaa- a-iii aaaai aaaee aabaa aabba aabra aaeri aaiib aaria abaab ababa ababe abaer abaia abaie abair abara abare abari abbai abbar abbia abbie abear abeba abebe abeer abeie abera abere aberr abio- abira aboab abobo abora abore abrar aeaea aebbe aereo aeri- aeria aerie aerio aero- aeroe aiaia aibar aiboa aibre airai airba aireo airer airor ar-ab arab- araba arabe arabi arabo araea araia araie arara arare arari arbab arbar arbee arber arbia arbib arbir arbor arbre areae arear areia areo- areoi arere arero ariab aribe aribo arioi arire aroab aroar aroba arobe aroer aroor arora arore arrai arrea arria arrie arroe baabe baari babai babar babee baber babia babie babio baboo babra baiae baiao baiba baier baira baire bairo baori baoro baraa barab barai barao barar barba barbe barbi barea barei bareo barer bari- baria barie bario baro- baroa baroi baroo baror barra barre barri barro bbbee bbear bbiab be-er be-ro beara beare bebar beber bebra beebe beeri beibi beier beira beire beoir berar berba berbe berea berei beria berie berio berob beroe beror berra berre berri biara biari bibar bibbe bibbo biber bibia bibie bibio bibra bibri biebe biere bieri biore birao birar birba birie bo-bo boaro bobar bobbi bobea bobr bobre bobri boero boiai boiar boibe boier boire boiro booba booer boora boore borai borba borbo borea boree borer boria borio boro- boroa boroo borra borre borro braai braie breba breer breia breo- brera brere briar bribe brier brobo broer brora brrar brrrr earar ebara ebber ebbie ebibe ebria ebrio eeeee eerie eibar eieia eieio eirea eirie eorre erbaa erbar erbbe erber erbia erear erere eriba erier erio- eroor erora erore error i-beo iaaee iaera ibaba ibara ibear ibeia ibero ibiai ibibo ibora ibore ieiri ierei ieroe iiiee iiiii ioooi ioooo iorio iraia irara iriba irobo irori o-r-b oarer oarie oaror obaba obaie obara obeie obiba obira obora oboro obrab obreb oeiro oibab oo-er ooioo ooooo oorie oraba orabi oraea oraio orara orare orari orbea orear orebi oreo- oreoi orera orere orero oriab oribe oribi orobe orobo oroer orria ra-ra raaba raabe raaor rabab rabai rabba rabbe rabbi rabia rabor rabri