-er a-a a-b a-i a-t aaa aab aad aae aai aar aat ab- aba abb abd abe abi abr abt ad- ada adb add ade adi adr adt aea aeb aed aee aei aer aet ai- aia aib aid aie aii air ait ar- ara arb ard are ari arr art at- ata atb atd ate ati atr att baa bab bad bae bai bar bat bba bbb bbd bbe bbi bbr bbt bda bdb bdd bde bdi bdr bdt be- bea beb bed bee bei ber bet bi- bia bib bid bie bii bir bit bra brb brd bre bri brr brt bta btb btd bte bti btr btt daa dab dad dae dai dar dat dba dbb dbd dbe dbi dbr dbt dda ddb ddd dde ddi ddr ddt de- dea deb ded dee dei der det di- dia dib did die dii dir dit dra drb drd dre dri drr drt dta dtb dtd dte dti dtr dtt eaa eab ead eae eai ear eat eba ebb ebd ebe ebi ebr ebt ed- eda edb edd ede edi edr edt eea eeb eed eee eer eet eia eib eid eie eii eir eit era erb erd ere eri err ert eta etb etd ete eti etr ett i-d ia- iaa iab iad iae iai iar iat iba ibb ibd ibe ibi ibr ibt ida idb idd ide idi idr idt ie- iea ied iee iei ier iet iia iib iid iie iii iir iit ir- ira irb ird ire iri irr irt ita itb itd ite iti itt ra- raa rab rad rae rai rar rat rba rbb rbd rbe rbi rbr rbt rda rdb rdd rde rdi rdr rdt re- rea reb red ree rei rer ret ria rib rid rie rii rir rit rra rrb rrd rri rrr rrt rta rtb rtd rte rti rtr rtt taa tab tad tae tai tar tat tba tbb tbd tbe tbi tbr tbt tda tdb tdd tde tdi tdr tdt te- tea teb ted tee tei ter tet tia tib tid tie tii tir tit tra trb trd tre tri trr trt tta ttb ttd tte tti ttr ttt

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