-er a-a a-b a-t a-z aaa aab aae aar aat aau aaz ab- aba abb abe abr abt abu abz aea aeb aee aer aet aeu aez ar- ara arb are arr art aru arz at- ata atb ate atr att atu atz au- aua aub aue aur aut auz az- aza azb aze azt azu azz b-u baa bab bae bar bat bau baz bba bbb bbe bbr bbt bbu be- bea beb bee ber bet beu bez bra brb bre brr brt bru brz bta btb bte btr btt btu btz bua bub bue bur but buu buz bza bze bzr bzu bzz eaa eab eae ear eat eau eaz eba ebb ebe ebr ebt ebu eea eeb eee eer eet era erb ere err ert eru erz eta etb ete etr ett etu etz eu- eua eub eue eur eut eze ezr ezz ra- raa rab rae rar rat rau raz rba rbb rbe rbr rbt rbu re- rea reb ree rer ret reu rez rra rrb rrr rrt rru rta rtb rte rtr rtt rtu rtz rua rub rue rur rut ruu ruz rza rzb rze taa tab tae tar tat tau taz tba tbb tbe tbr tbt tbu tbz te- tea teb tee ter tet teu tez tra trb tre trr trt tru trz tta ttb tte ttr ttt ttu tua tub tue tur tut tuu tuz tza tze tzu ua- uaa uab uae uar uat uau uaz uba ubb ube ubr ubt ubu uea ueb uee uer uet ur- ura urb ure urr urt uru urz uta utb ute utr utt utu utz uua uue uur uut uuu uza uzb uzu zaa zab zar zat zaz zbb zbr zbt zea zeb zee zer zet zez zta zte ztr zub zur zut zuz zzr zzt zzz

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 abez abra abta abtu abua abue abut abza abzu aeer aer- aera aeta aetr aett arab arae arar arat arau arba arbe area aree aret areu arr- arra arre arrr arrt arru arta arte artr artz arua arub arue arut arza arzu at-t ataa atab atae atar atat atea atee ater atez atra atre atru atta atte attr attu atua atub atur auaa aube auer aur- aura aure aut- aute aza- azab azar azat azaz azer azet azra azua azur azza baaa baar baat baaz baba babb babe babr babu baer baez bar- bara barb bare barr bart baru barz bata bate batt batu batz bau- baur baza baze bbau bbbb bbeb bbet bear beat beau beba bebb bebe beeb beer beet bera bere berr bert beru beta bete bett betu betz beur beze bezu brab brae brat brau braz brea breb bree brer bret brez brrr brue brut bruz brza btaa btrt bttb buar buat buba bubb bube bubu buea buer bueu bur- bura burb bure burr burt buru burz but- buta bute butt butz buuz buza buze buzz bzer bzzt bzzz eaba eara earb eare eart eata eate ebba ebbr eber ebru ebur eeea eeee eera eeta eete eetu eeze erat erau eraz erba erbb erbe ereb erer eret erez erra erre erta ertu ertz erua erub erur etat etbr etee eter etra etre etta ette ettu etua etuz euba euer eur- eura eure eurt ezer ezra ezuz raab raat raaz raba rabb rabe rabu raer rara rarb rare rarz rata rate ratt ratu ratz raua raub raue raut raza raze razr razz rbbb rbbr rea- reae rear reat reau reba rebb rebe rebu reeb reet rera rere rert reru reta rete retr rett retz reue reut reuu reza reze rezu rrat rrrr rtee ruba rubb rube rubu ruer ruet ruez rura rure ruru ruta rute rutt rutu ruza ruze rzab taa- taar taat taba tabb tabe tabu taer tara tarb tare tarr tart taru tata tatb tate tatr tatt tatu tatz taua taub taue taur taut taza taze tazr tazz tbar tbrb tbta tear teat teaz teba tebu teer teet teez ter- tera tere terr teru teta tete tetr tett tetu tetz teut teza tezu tezz traa trab trae trat trau traz tre- trea tree tret treu trez 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 tuza tuzu tuzz tzar tzur tzut tzzt uart uaru uata uatu uaua ubar ubba ubbe uber ubet ubra ueba uetz urat urau urba urbe ure- urea uret urra urre urte urur urut uruz urza utau uter uttu uuta uuuu uzeb uzer zaar zaat zaba zabr zabu zaer zara zarb zare zarr zaru zaur zaza zazu zbar zber zeae zeba zebe zebu zera zert zeta zete zeze zrze zubr zubu zura zurb zurr zuru zuta zuzu zzzz

-aaa- -tree aaaee aaata aabaa aabba aabra aarau abaab ababa ababe ababu abaer abara abare abaru abate abaza abazu abbar abbat abbet abbur abear abeat abeau abeba abebe abeer abeet abera abere aberr abert abetz abrar abreu abtaa abtar abura aburr abuta abute abutt abuzz abzar aeaea aebbe aerru aetat aeter ar-ab araat arab- araba arabe araea arara arare araru arata arate aratz arbab arbar arbat arbaz arbee arber arbet arbre areae arear areat areet arere arete arett areza arrau arrea arret arrez arrua artar artat artea arter artez artur aruaa aruba arura aruru aruta arzat arzet arzua atabu atara ataru atbar atbat atear ateat ater- aterr atete atrab atree atrue attar attea atter attra attur atube atura auber auete aurae aurar aurat aurea aurra autee auter autet autre autza auzat auzet azabu azara azare azaru azata azbar azera azeta azete azrar azrat aztar aztez azura azure baabe baart baata baate babar babau babee baber babez babra babur babut baert baeza baraa barab barar barat baraz barba barbe barbu barea barer baret barez barra barre barru barta bartz barua barut barza