-er a-a a-b a-i a-t aaa aab aae aai aar aat ab- aba abb abe abi abr abt aea aeb aee aei aer aet ai- aia aib aie aii air ait ar- ara arb are ari arr art at- ata atb ate ati atr att baa bab bae bai bar bat bba bbb bbe bbi bbr bbt be- bea beb bee bei ber bet bi- bia bib bie bii bir bit bra brb bre bri brr brt bta btb bte bti btr btt eaa eab eae eai ear eat eba ebb ebe ebi ebr ebt eea eeb eee eer eet eia eib eie eii eir eit era erb ere eri err ert eta etb ete eti etr ett ia- iaa iab iae iai iar iat iba ibb ibe ibi ibr ibt ie- iea iee iei ier iet iia iib iie iii iir iit ir- ira irb ire iri irr irt ita itb ite iti itt ra- raa rab rae rai rar rat rba rbb rbe rbi rbr rbt re- rea reb ree rei rer ret ria rib rie rii rir rit rra rrb rri rrr rrt rta rtb rte rti rtr rtt taa tab tae tai tar tat tba tbb tbe tbi tbr tbt te- tea teb tee tei ter tet tia tib tie tii tir tit tra trb tre tri trr trt tta ttb tte tti ttr ttt

a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aabt aaea aaib aaii aara aare aari aart aata aatt abaa abab abae abai abar abat abb- abba abbb abbe abbi abbr abbt abee aber abet abia abib abie abir abit abra abri abta aebi aeer aeit aer- aera aeri aeta aetr aett aiai aiba aiea aiee aiet aiia aiib aiir aira aire airi airt aita aite aiti aitr aitt arab arae arai arar arat arba arbe arbi area aree arei aret aria arib arie arii arit arr- arra arre arri arrr arrt arta arte arti artr at-t ataa atab atae atai atar atat atea atee atei ater atia atie atit atra atre atri atta atte atti attr ba-i baaa baar baat baba babb babe babi babr baer baia baib baie bair bait bar- bara barb bare bari barr bart bata bate bati batt bbbb bbeb bbet bear beat beba bebb bebe bebi beeb beer beet beia beir beit bera bere beri berr bert beta bete beti bett biar biat biba bibb bibe bibi bieb bier biet bira birb bire biri birr birt bita bite bitt brab brae brai brat brea breb bree brei brer bret bria brie brit brrr btaa btie btrt bttb eaba eara earb eare eart eata eate eati ebba ebbr eber ebit eeea eeee eera eeta eete eiei eier eira eire eita eitb eiti eitr erat erba erbb erbe ereb erei erer eret eria erie erit erra erre erta etai etat etbr etee eter etra etre etta ette etti i-be iaaa iaai iaat iaba iaea iaia iara iare iart iata iate iati ibar ibat ibea ibet ibia ibie ibra ibri ibtb ieat ieet ieie iera iere ieri ieta iett iiie iiii iiit iira iita iitr iitt irae irai irar irbe iree irer iri- iria irie irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itia itie itra itri itta raab raat raba rabb rabe rabi raer raia raie raii rair rait rara rarb rare rari rata rate rati ratt rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet reia reii reir reit rera rere reri rert reta rete reti retr rett riaa riab riai riat rib- riba ribe rier riet riia rire riri rita rite riti ritt rrat rrrr rtai rtee rtei taa- taar taat taba tabb tabe tabi taer taia tair tait tara tarb tare tari tarr tart tata tatb tate tati tatr tatt tbar tbit tbrb tbta tear teat teba teer teet teia teie teir ter- tera tere teri terr teta tete teti tetr tett tiaa tiab tiar tiba tibi tie- tiea tiee tiei tier tiet tiit tira tirb tire tiri tirr tita tite titi titt traa trab trae trai trat tre- trea tree trei tret tri- tria trib trie trit trra trte trtr ttab ttbb tter tttt

-aaa- -tree a-iii aaaai aaaee aaata aabaa aabba aabra aaeri aaiib aaria aarti abaab ababa ababe abaer abaia abaie abair abait abara abare abari abate abati abbai abbar abbat abbet abbia abbie abear abeat abeba abebe abeer abeet abeie abera abere aberr abert abiit abira abita abite abrar abrit abtaa abtar aeaea aebbe aeri- aeria aerie aetat aeter aetia aiaia aibar aibre aieta airai airba airer aitit ar-ab araat arab- araba arabe arabi araea araia araie arara arare arari arata arate arati arbab arbar arbat arbee arber arbet arbia arbib arbir arbit arbre areae arear areat areet areia arere arete arett ariab ariat aribe ariet arire arita arite ariti arrai arrea arret arria arrie artar artat artea arter artia artie atara atari atbar atbat atear ateat ateia ateit ater- aterr atete atiba atira atire atrab atree atri- atria atrii attai attar attea atter attia attie attir attra baabe baari baart baata baate baati babai babar babee baber babia babie babra baert baiae baiba baier baira baire baita baraa barab barai barar barat barba barbe barbi barea barei barer baret bari- baria barie barit barra barre barri barta batab batar batat batea bater batir batra batre batta batte bbart bbbee bbear bbiab be-er beara beare beart beata beate beati bebar bebat beber bebra bebti beebe beeri beete beibi beier beira beire beita beite berar berat berba berbe berea berei beret beria berie berit berra berre berri berta berte berti betar betee beter betie betra betre bett- betta bette betti biara biari biate bibar bibbe biber bibia bibie bibra bibri biebe biere bieri biert bieti birar birat birba birie bitab bitat biter bitit bitra bitte bitti braai braat braie brait brate bratt breba breer breet breia breit brera brere brett briar bribe brier brita brite britt brrar brrrr btr-t earar eatat eater