a-be a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aabt aada aade aadi aadt aaea aaib aaii aara aard aare aari aart aata aatt abaa abab abad abae abai abar abat abb- abba abbb abbe abbi abbr abbt abda abdi abed abee aber abet abia abib abid abie abir abit abra abri abta adaa adab adad adae adai adar adat adba adbi adda addd adde addi addr adea adeb adee ader adet adia adib adie adir adit adra adre adta aebi aede aedt aeer aeit aer- aera aerd aeri aeta aetr aett aiai aiba aida aidb aide aidi aidr aidt aiea aiee aiet aiia aiib aiid aiir aira aird aire airi airt aita aite aiti aitr aitt arab arad arae arai arar arat arba arbe arbi arda arde ardi area ared aree arei aret aria arib arid arie arii arit arr- arra arre arri arrr arrt arta arte arti artr at-t ataa atab atad atae atai atar atat atdi atdt atea ated atee atei ater atia atid atie atit atra atre atri atta atte atti attr ba-i baaa baad baar baat baba babb babe babi babr bada badb badd bade badi badr baed baer baia baib baid baie bair bait bar- bara barb bard bare bari barr bart bata bate bati batt bbad bbbb bbdd bbeb bbet bd-r bdii bead bear beat beba bebb bebe bebi beda bede bedi beeb beed beer beet beia beir beit bera berd bere beri berr bert beta bete beti bett biad biar biat biba bibb bibe bibi bida bide bidi bidr bieb bied bier biet bira birb bird bire biri birr birt bita bitd bite bitt brab brad brae brai brat brda brdt brea breb bred bree brei brer bret bria brid brie brit brrr btaa btdt btie btrt bttb daab daad daae daar daba dabb dabt dada dade dadi daeb daer daia daid daie dair dait dara darb dard dare dari darr dart data date dati datr datt dbar dbit dbtt dddd ddie ddre dead deae dear deba debe debi debt deda dedd dede dedi deeb deed deer deet deid deie deir deit der- dera derb dere deri derr deta dete detr dia- diab diad diar diat diba dibb dibe dida dide didi diea dieb died dier diet diii dira dird dire dirr dirt dita dite diti ditt draa drab drad drar drat drba drda drea dred dree drei dret drib drie drit drra dtaa dted eaba eada eadb eadd eadi eara earb eard eare eart eata eate eati ebba ebbr ebed eber ebid ebit edad edar edda edde eddi ede- edea edei eder edia edie edit edra edta eede eeea eeee eera eeta eete eid- eide eidi eidr eied eiei eier eira eird eire eita eitb eiti eitr erad erat erba erbb erbe erda erde erdi ereb ered 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 iadb iadt iaea iaia iara iare iart iata iate iati ibad ibar ibat ibea ibed ibet ibia ibid ibie ibra ibrd ibri ibtb idad idae idar idat idbe idda idea ided idee ider idia idid idie idir idra idre idta ieat iedr ieet ieie iera iere ieri ieta iett iida iide iied iiie iiii iiit iira iita iitr iitt irad irae irai irar irbe irda ired iree irer iri- iria irid irie irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itia itie itra itri itta raab raad raat raba rabb rabe rabi rada radd rade radr radt raed raer raia raid raie raii rair rait rara rarb rare rari rata rate rati ratt rbbb rbbr rder rea- read reae rear reat reba rebb rebe reda redd rede redi redr reeb reed reet reia reid reii reir reit rera rerd rere reri rert reta retd rete reti retr rett riaa riab riad riai riat rib- riba ribe rida ridd ride ridi ried rier riet riia rire riri rita rite riti ritt rrad rrat rred rrrr rtai rtdt rtee rtei taa- taar taat taba tabb tabe tabi tada tade taer taia tair tait tara tarb tard tare tari tarr tart tata tatb tate tati tatr tatt tbar tbit tbrb tbta tddb tdra tdri tead tear teat teba teda tedd tede tedi teed teer teet teia teie teir ter- tera tere teri terr teta tete teti tetr tett tiaa tiab tiar tiba tibi tidd tide tie- tiea tied tiee tiei tier tiet tiit tira tirb tird tire tiri tirr tita tite titi titt traa trab trad trae trai trat tre- trea tred tree trei tret tri- tria trib trie trit trra trte trtr ttab ttbb tter tttt