-er a-a a-b a-i aaa aab aad aae aai aao aar aau ab- aba abb abd abe abi abo abr abu ad- ada adb add ade adi ado adr adu aea aeb aed aee aei aeo aer aeu ai- aia aib aid aie aii aio air aiu aoa aob aod aoe aoi aoo aor aou ar- ara arb ard are ari aro arr aru au- aua aub aud aue aui auo aur b-u baa bab bad bae bai bao bar bau bba bbb bbd bbe bbi bbo bbr bbu bda bdb bdd bde bdi bdo bdr bdu be- bea beb bed bee bei beo ber beu bi- bia bib bid bie bii bio bir biu boa bob bod boe boi boo bor bou bra brb brd bre bri bro brr bru bua bub bud bue bui buo bur buu daa dab dad dae dai dao dar dau dba dbb dbd dbe dbi dbo dbr dbu dda ddb ddd dde ddi ddo ddr ddu de- dea deb ded dee dei deo der deu di- dia dib did die dii dio dir diu doa dob dod doe doi doo dor dou dra drb drd dre dri dro drr dru dua dub dud due dui duo dur eaa eab ead eae eai eao ear eau eba ebb ebd ebe ebi ebo ebr ebu ed- eda edb edd ede edi edo edr edu eea eeb eed eee eeo eer eia eib eid eie eii eio eir eiu eo- eoa eob eod eoe eoi eoo eor eou era erb erd ere eri ero err eru eu- eua eub eud eue eui eur i-d ia- iaa iab iad iae iai iao iar iau iba ibb ibd ibe ibi ibo ibr ibu ida idb idd ide idi ido idr idu ie- iea ied iee iei ier iia iib iid iie iii iio iir iiu io- ioa iob iod ioe ioi ioo ior iou ir- ira irb ird ire iri iro irr iru iu- iua iub iud iue iui iur o-i oaa oab oad oae oai oao oar oau ob- oba obb obd obe obi obo obr obu oda odb odd ode odi odo odr odu oea oeb oed oee oei oeo oer oia oib oid oie oii oio oir oiu oo- ooa oob ood ooi ooo oor or- ora orb ord ore ori oro orr oru ou- oua oud oue oui ouo our ra- raa rab rad rae rai rao rar rau rba rbb rbd rbe rbi rbo rbr rbu rda rdb rdd rde rdi rdo rdr rdu re- rea reb red ree rei reo rer reu ria rib rid rie rii rio rir roa rob rod roe roi roo ror rou rra rrb rrd rri rrr rru rua rub rud rue rui ruo rur ruu ua- uaa uab uad uae uai uao uar uau uba ubb ube ubi ubo ubr ubu uda udb udd ude udi udo udr udu uea ueb ued uee uei uer uia uib uid uie uii uio uir uiu uoa uob uod uoe uoo uor ur- ura urb urd ure uri uro urr uru uua uue uur uuu

a-be a-do a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aada aade aadi aadu aaea aaib aaii aaoe aaoo aara aard aare aari aaro aaru abaa abab abad abae abai abar abau abb- abba abbb abbe abbi abbo abbr abda abdi abdo abdu abed abee aber abia abib abid abie abir abiu aboa abob abod aboo abor abou abra abri abro abua abud abue adaa adab adad adae adai adao adar adba adbi adda addd adde addi addo addr addu adea adeb adee adeo ader adia adib adie adio adir adob adod adoe adoo ador adra adre adro adua adub adue adur aebi aede aeer aeio aer- aera aerd aeri aero aiai aiba aibo aida aidb aide aidi aidr aidu aiea aiee aiia aiib aiid aiir aioi aira aird aire airi airo aiud aiui aoba aoeu aora aorb arab arad arae arai arar arau arba arbe arbi arda arde ardi ardo ardu area ared aree arei areo areu aria arib arid arie arii ario aroa arob arod aroe aroi aroo aror arr- arra arre arri arro arrr arru arua arub arud arue arui auaa aube aude audi audo auer aur- aura aurd aure auri auro ba-i baaa baad baar baba babb babe babi babo babr babu bada badb badd bade badi bado badr badu baed baer baia baib baid baie baio bair bar- bara barb bard bare bari baro barr baru bau- baud baur bbad bbau bbbb bbdd bbdo bbeb bd-r bdii bead bear beau beba bebb bebe bebi bebo beda bede bedi bedo bedu beeb beed beer beia beir beo- beod beor bera berd bere beri bero berr beru beur biad biao biar biba bibb bibe bibi bibo bida bide bidi bido bidr bidu bieb bied bier bieu bio- bioi biou bira birb bird bire biri biro birr biru boab boad boai boar boba bobb bobe bobi bobo bobu boda bodb bode bodi bodo bodu boea boee boeo boer boi- boid boie boii boiu boob bood booe boor bor- bora bord bore bori boro borr boru boua boud boue bour brab brad brae brai brao brau brda brdo brea breb bred bree brei breo brer bria brid brie brio broa brob brod broe broo bror brou brrr brud brue buad buar buba bubb bube bubi bubo bubu buda budb budd bude budi budo budu buea buer bueu buid buie buir buiu bur- bura burb burd bure buri buro burr buru d-bo daab daad daae daar daau daba dabb dabo dabu dada dade dadi dado dadu daeb daer daeu daia daid daie daio dair daou dara darb dard dare dari daro darr daru daub daud daue daur dbar dddd ddie ddre ddub dead deae dear deau deba debe debi debu deda dedd dede dedi dedo dedu deeb deed deer deid deie deir deor der- dera derb dere deri dero derr deua deue deur dia- diab diad diao diar diba dibb dibe