-er a-a a-b a-q a-t aaa aab aae aaq aar aat aau ab- aba abb abe abq abr abt abu aea aeb aee aeq aer aet aeu aqa aqr aqt ar- ara arb are arq arr art aru at- ata atb ate atr att atu au- aua aub aue aur aut b-u baa bab bae baq bar bat bau bba bbb bbe bbq bbr bbt bbu be- bea beb bee beq ber bet beu bqe bqt bra brb bre brq brr brt bru bta btb bte btq btr btt btu bua bub bue bur but buu eaa eab eae ear eat eau eba ebb ebe ebq ebr ebt ebu eea eeb eee eer eet eqa eqe eqq eqt equ era erb ere erq err ert eru eta etb ete etr ett etu eu- eua eub eue eur eut qaa qar qat qau qba qbe qbq qee qet qqq qqu qra qrb qre qrt qru qta qtq qtr qu- qua que qur qut ra- raa rab rae raq rar rat rau rba rbb rbe rbr rbt rbu re- rea reb ree req rer ret reu rra rrb rrq rrr rrt rru rta rtb rte rtq rtr rtt rtu rua rub rue rur rut ruu taa tab tae taq tar tat tau tba tbb tbe tbr tbt tbu te- tea teb tee teq ter tet teu tra trb tre trq trr trt tru tta ttb tte ttr ttt ttu tua tub tue tur tut tuu ua- uaa uab uae uaq uar uat uau uba ubb ube ubr ubt ubu uea ueb uee uer uet ur- ura urb ure urr urt uru uta utb ute utr utt utu uua uue uur uut uuu

a-be aaaa aaab aaae aaar aaba aabb aabt aaea aara aare aart aaru aata aatt abaa abab abae abar abat abau abb- abba abbb abbe abbr abbt abee aber abet abra abta abtu abua abue abut aeer aer- aera aeta aetr aett aqar aqra aqu- aqua aque arab arae araq arar arat arau arba arbe area aree aret areu arq- arqa arr- arra arre arrr arrt arru arta arte artr arua arub arue aruq arut at-t ataa atab atae ataq atar atat atea atee ater atra atre atru atta atte attr attu atua atub atur auaa aube auer aur- aura aure aut- aute baaa baar baat baba babb babe babr babu baer baqa baqt bar- bara barb bare barq barr bart baru bata bate batt batu bau- baur bbau bbbb bbbq bbeb bbet bear beat beau beba bebb bebe beeb beer beet beqa bera bere berr bert beru beta bete bett betu beur bque brab brae brat brau brea breb bree brer bret brrr brue brut btaa btrt bttb buar buat buba bubb bube bubq bubu buea buer bueu buqa bur- bura burb bure burr burt buru but- buta bute butt eaba eara earb eare eart eata eate ebba ebbr eber ebru ebur eeea eeee eera eeta eete eetu equ- equa eque erat erau erba erbb erbe ereb erer eret erra erre erta ertu erua erub erur etat etbr etee eter etra etre etta ette ettu etua euba euer eur- eura eure eurt q-be qara qare qaru qere qerq qqqq qtar quaa quab quae quar quat quba qube quee quer quet qutb qute quu- raab raat raba rabb rabe rabu raer raqt rara rarb rare rata rate ratt ratu raua raub raue raut rbbb rbbr rea- reae rear reat reau reba rebb rebe rebu reeb reet reqa rera rere rert reru reta rete retr rett reue reut reuu rrat rrrr rtee ruba rubb rube rubu ruer ruet rura rure ruru ruta rute rutt rutu taa- taar taat taba tabb tabe tabu taer taqa taqu tara tarb tare tarq tarr tart taru tata tatb tate tatr tatt tatu taua taub taue taur taut tbar tbrb tbta tear teat teba tebu teer teet ter- tera tere terr teru teta tete tetr tett tetu teut traa trab trae trat trau tre- trea tree tret treu trra trte trtr trub true trut truu ttab ttbb tter tttt tuae tuar tuat tuba tubb tube tubr tubu tuer tuet tura turb ture turr turt turu tuta tute tutt tutu uart uaru uata uatu uaua ubar ubba ubbe uber ubet ubra ueba uqar uqat urat urau urba urbe ure- urea uret urra urre urte uruq urur urut utau uter uttu utuq uuta uuuu

-aaa- -tree aaaaq aaaee aaata aabaa aabba aabra aaqbe aaqua aarau abaab ababa ababe ababu abaer abara abare abaru abate abbar abbat abbet abbur abear abeat abeau abeba abebe abeer abeet abera abere aberr abert abrar abreu abtaa abtar abura aburr abuta abute abutt aeaea aebbe aerru aetat aeter aqaba aqqur aqrab aqua- aquae ar-ab araat arab- araba arabe araea arara arare araru arata arate arbab arbar arbat arbee arber arbet arbre areae arear areat areet arere arete arett arq-e arque arrau arrea arret arrua artar artat artea arter artur aruaa aruba arura aruru aruta atabu atara ataru atbar atbat atear ateat ater- aterr atete atque atrab atree atrue attar attea atter attra attur atube atura auber auete aurae aurar aurat aurea aurra autee auter autet autre baabe baart baata baate babar babau babee baber babra babur babut baert baqaa baque baraa barab baraq barar barat barba barbe barbq barbu barea bareq barer baret barra barre barru barta barua baruq barut batab batar batat batau batea bater batra batre batta batte battu batur bauer baura baure bauru bauta bbart bbbee bbear bbqer be-er beara beare beart beata beate beaut bebar bebat beber bebra beebe beete beeut beqaa beque berar berat berau berba berbe berea beret berra berre berru berta berte betar betee beter betra betre bett- betta bette beuer beure beute braaq braat brate bratt bratu braut breba brebu breer breet brera brere brett breu- brrar brrrr bruer bruet bruta brute btr-t bubba bubbe buber buraa buraq burat burea buret burqa burra burru burta burte burtt buruq burut butat butea buter butte butua butut earar eartu eatat eater eatre ebara ebart ebate ebber ebbet