-er a-a a-b a-i a-t aaa aab aad aae aai aar aat aau ab- aba abb abd abe abi abr abt abu ad- ada adb add ade adi adr adt adu aea aeb aed aee aei aer aet aeu ai- aia aib aid aie aii air ait aiu ar- ara arb ard are ari arr art aru at- ata atb atd ate ati atr att atu au- aua aub aud aue aui aur aut b-u baa bab bad bae bai bar bat bau bba bbb bbd bbe bbi bbr bbt bbu bda bdb bdd bde bdi bdr bdt bdu be- bea beb bed bee bei ber bet beu bi- bia bib bid bie bii bir bit biu bra brb brd bre bri brr brt bru bta btb btd bte bti btr btt btu bua bub bud bue bui bur but buu daa dab dad dae dai dar dat dau dba dbb dbd dbe dbi dbr dbt dbu dda ddb ddd dde ddi ddr ddt ddu de- dea deb ded dee dei der det deu di- dia dib did die dii dir dit diu dra drb drd dre dri drr drt dru dta dtb dtd dte dti dtr dtt dtu dua dub dud due dui dur dut eaa eab ead eae eai ear eat eau eba ebb ebd ebe ebi ebr ebt ebu ed- eda edb edd ede edi edr edt edu eea eeb eed eee eer eet eia eib eid eie eii eir eit eiu era erb erd ere eri err ert eru eta etb etd ete eti etr ett etu eu- eua eub eud eue eui eur eut i-d ia- iaa iab iad iae iai iar iat iau iba ibb ibd ibe ibi ibr ibt ibu ida idb idd ide idi idr idt idu ie- iea ied iee iei ier iet iia iib iid iie iii iir iit iiu ir- ira irb ird ire iri irr irt iru ita itb itd ite iti itt itu iu- iua iub iud iue iui iur iut ra- raa rab rad rae rai rar rat rau rba rbb rbd rbe rbi rbr rbt rbu rda rdb rdd rde rdi rdr rdt rdu re- rea reb red ree rei rer ret reu ria rib rid rie rii rir rit rra rrb rrd rri rrr rrt rru rta rtb rtd rte rti rtr rtt rtu rua rub rud rue rui rur rut ruu taa tab tad tae tai tar tat tau tba tbb tbd tbe tbi tbr tbt tbu tda tdb tdd tde tdi tdr tdt tdu te- tea teb ted tee tei ter tet teu tia tib tid tie tii tir tit tiu tra trb trd tre tri trr trt tru tta ttb ttd tte tti ttr ttt ttu tua tub tud tue tui tur tut tuu ua- uaa uab uad uae uai uar uat uau uba ubb ube ubi ubr ubt ubu uda udb udd ude udi udr udt udu uea ueb ued uee uei uer uet uia uib uid uie uii uir uit uiu ur- ura urb urd ure uri urr urt uru uta utb utd ute uti utr utt utu uua uue uur uut uuu

a-be a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aabt aada aade aadi aadt aadu aaea aaib aaii aara aard aare aari aart aaru aata aatt abaa abab abad abae abai abar abat abau abb- abba abbb abbe abbi abbr abbt abda abdi abdu abed abee aber abet abia abib abid abie abir abit abiu abra abri abta abtu abua abud abue abut adaa adab adad adae adai adar adat adba adbi adda addd adde addi addr addu adea adeb adee ader adet adia adib adie adir adit adra adre adta adua adub adue adur aebi aede aedt aeer aeit aer- aera aerd aeri aeta aetr aett aiai aiba aida aidb aide aidi aidr aidt aidu aiea aiee aiet aiia aiib aiid aiir aira aird aire airi airt aita aite aiti aitr aitt aitu aiud aiui arab arad arae arai arar arat arau arba arbe arbi arda arde ardi ardu area ared aree arei aret areu aria arib arid arie arii arit arr- arra arre arri arrr arrt arru arta arte arti artr arua arub arud arue arui arut at-t ataa atab atad atae atai atar atat atdi atdt atea ated atee atei ater atia atid atie atit atiu atra atre atri atru atta atte atti attr attu atua atub atur auaa aube aude audi auer aur- aura aurd aure auri aut- aute ba-i baaa baad baar baat baba babb babe babi babr babu bada badb badd bade badi badr badu baed baer baia baib baid baie bair bait bar- bara barb bard bare bari barr bart baru bata bate bati batt batu bau- baud baur bbad bbau bbbb bbdd bbeb bbet bd-r bdii bead bear beat beau beba bebb bebe bebi beda bede bedi bedu beeb beed beer beet beia beir beit bera berd bere beri berr bert beru beta bete beti bett betu beur biad biar biat biba bibb bibe bibi bida bide bidi bidr bidu bieb bied bier biet bieu bira birb bird bire biri birr birt biru bita bitd bite bitt bitu brab brad brae brai brat brau brda brdt brea breb bred bree brei brer bret bria brid brie brit brrr brud brue brut btaa btdt btie btrt bttb buad buar buat buba bubb bube bubi bubu buda budb budd bude budi budu buea buer bueu buid buie buir buit buiu bur- bura burb burd bure buri burr burt buru but- buta bute buti butt daab daad daae daar daau daba dabb dabt dabu dada dade dadi dadu daeb daer daeu daia daid daie dair dait dara darb dard dare dari darr dart daru data date dati datr datt datu daub daud daue daur daut dbar dbit dbtt dddd ddie ddre ddub dead deae dear deau deba debe debi debt debu deda dedd dede dedi dedu deeb deed deer deet deid deie deir deit der- dera derb dere