-er a-a a-b a-i aaa aab aad aae aai aao aar ab- aba abb abd abe abi abo abr ad- ada adb add ade adi ado adr aea aeb aed aee aei aeo aer ai- aia aib aid aie aii aio air aoa aob aod aoe aoi aoo aor ar- ara arb ard are ari aro arr baa bab bad bae bai bao bar bba bbb bbd bbe bbi bbo bbr bda bdb bdd bde bdi bdo bdr be- bea beb bed bee bei beo ber bi- bia bib bid bie bii bio bir boa bob bod boe boi boo bor bra brb brd bre bri bro brr daa dab dad dae dai dao dar dba dbb dbd dbe dbi dbo dbr dda ddb ddd dde ddi ddo ddr de- dea deb ded dee dei deo der di- dia dib did die dii dio dir doa dob dod doe doi doo dor dra drb drd dre dri dro drr eaa eab ead eae eai eao ear eba ebb ebd ebe ebi ebo ebr ed- eda edb edd ede edi edo edr eea eeb eed eee eeo eer eia eib eid eie eii eio eir eo- eoa eob eod eoe eoi eoo eor era erb erd ere eri ero err i-d ia- iaa iab iad iae iai iao iar iba ibb ibd ibe ibi ibo ibr ida idb idd ide idi ido idr ie- iea ied iee iei ier iia iib iid iie iii iio iir io- ioa iob iod ioe ioi ioo ior ir- ira irb ird ire iri iro irr o-i oaa oab oad oae oai oao oar ob- oba obb obd obe obi obo obr oda odb odd ode odi odo odr oea oeb oed oee oei oeo oer oia oib oid oie oii oio oir oo- ooa oob ood ooi ooo oor or- ora orb ord ore ori oro orr ra- raa rab rad rae rai rao rar rba rbb rbd rbe rbi rbo rbr rda rdb rdd rde rdi rdo rdr re- rea reb red ree rei reo rer ria rib rid rie rii rio rir roa rob rod roe roi roo ror rra rrb rrd rri rrr

a-be a-do a-ii aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aada aade aadi aaea aaib aaii aaoe aaoo aara aard aare aari aaro abaa abab abad abae abai abar abb- abba abbb abbe abbi abbo abbr abda abdi abdo abed abee aber abia abib abid abie abir aboa abob abod aboo abor abra abri abro adaa adab adad adae adai adao adar adba adbi adda addd adde addi addo addr adea adeb adee adeo ader adia adib adie adio adir adob adod adoe adoo ador adra adre adro aebi aede aeer aeio aer- aera aerd aeri aero aiai aiba aibo aida aidb aide aidi aidr aiea aiee aiia aiib aiid aiir aioi aira aird aire airi airo aoba aora aorb arab arad arae arai arar arba arbe arbi arda arde ardi ardo area ared aree arei areo aria arib arid arie arii ario aroa arob arod aroe aroi aroo aror arr- arra arre arri arro arrr ba-i baaa baad baar baba babb babe babi babo babr bada badb badd bade badi bado badr baed baer baia baib baid baie baio bair bar- bara barb bard bare bari baro barr bbad bbbb bbdd bbdo bbeb bd-r bdii bead bear beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beer beia beir beo- beod beor bera berd bere beri bero berr biad biao biar biba bibb bibe bibi bibo bida bide bidi bido bidr bieb bied bier bio- bioi bira birb bird bire biri biro birr boab boad boai boar boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boer boi- boid boie boii boob bood booe boor bor- bora bord bore bori boro borr brab brad brae brai brao brda brdo brea breb bred bree brei breo brer bria brid brie brio broa brob brod broe broo bror brrr d-bo daab daad daae daar daba dabb dabo dada dade dadi dado daeb daer daia daid daie daio dair dara darb dard dare dari daro darr dbar dddd ddie ddre dead deae dear deba debe debi deda dedd dede dedi dedo deeb deed deer deid deie deir deor der- dera derb dere deri dero derr dia- diab diad diao diar diba dibb dibe dibo dida dide didi dido diea dieb died dier diii dior dira dird dire dirr doab doae doar doba dobb dobe dobi dod- doda dodd dode dodi dodo doea doer doid doob dood door dora dord dore dori doro dorr draa drab drad drar drba drda drea dred dree drei drib drie drob drod drra eaba eada eadb eadd eadi eara earb eard eare earo ebba ebbo ebbr ebed eber ebid eboe eboo ebor ebro edad edar edda edde eddi eddo ede- edea edei eder edia edie edod edra eede eeea eeee eera eero eiao eid- eide eidi eido eidr eied eiei eier eira eird eire eode eoir eora eore eori erad erba erbb erbe erda erde erdi ereb ered erei erer eria erie erio erob erod eroe eroi eroo erra erre erro i-be iaaa iaai iaba iadb iaea iaia iara iare ibad ibar ibdo ibea ibed ibia ibid ibie ibra ibrd ibri ibro idad idae idar idbe idda iddo idea ided idee ideo ider idia idid idie idio idir idra idre idro iedr ieie ieio iera iere ieri iida iide iied iiie iiii iiio iioi iioo iira ioba iobi iod- ioda iodd iode iodo ioee ioii ioio iooi iooo iora iore iori irad irae irai irao irar irbe irda irdo ired iree irer iri- iria irid irie irio irob irod irra irre irri o-eo oade oaer oara oare obad obai obba obbo obea obed ober obia obid obie oboe oboi obor obra obre obri obro odai odbo odda oddd oddi odea oded odei odeo oder odia odie odio odir odoo odor odra oedo oeid oera oere oiba