-er a-a a-b a-i aaa aab aad aae aai aak aao aar ab- aba abb abd abe abi abk abo abr ad- ada adb add ade adi adk ado adr aea aeb aed aee aei aek aeo aer ai- aia aib aid aie aii aik aio air aka akb akd ake aki akk ako akr aoa aob aod aoe aoi aok aoo aor ar- ara arb ard are ari ark aro arr baa bab bad bae bai bak bao bar bba bbb bbd bbe bbi bbk bbo bbr bda bdb bdd bde bdi bdk bdo bdr be- bea beb bed bee bei bek beo ber bi- bia bib bid bie bii bik bio bir bka bkb bke bkk bko bkr boa bob bod boe boi bok boo bor bra brb brd bre bri brk bro brr daa dab dad dae dai dak dao dar dba dbb dbd dbe dbi dbk dbo dbr dda ddb ddd dde ddi ddk ddo ddr de- dea deb ded dee dei dek deo der di- dia dib did die dii dik dio dir dka dkb dke dki dkk dko dkr doa dob dod doe doi dok doo dor dra drb drd dre dri drk dro drr eaa eab ead eae eai eak eao ear eba ebb ebd ebe ebi ebk ebo ebr ed- eda edb edd ede edi edk edo edr eea eeb eed eee eek eeo eer eia eib eid eie eii eik eio eir eka ekb ekd eke eki eko ekr eo- eoa eob eod eoe eoi eok eoo eor era erb erd ere eri erk ero err i-d ia- iaa iab iad iae iai iao iar iba ibb ibd ibe ibi ibk ibo ibr ida idb idd ide idi idk ido idr ie- iea ied iee iei iek ier iia iib iid iie iii iio iir ika ikb ike iki ikk iko ikr io- ioa iob iod ioe ioi ioo ior ir- ira irb ird ire iri irk iro irr ka- kaa kab kad kae kai kak kao kar kba kbb kbd kbe kbi kbk kbo kbr kda kdb kde kdk kdo kdr ke- kea keb ked kee kei kek keo ker kia kib kid kie kii kik kio kir kkb kke kki kkk kkr koa kob kod koe koi kok koo kor kra krd kri krk kro krr o-i oaa oab oad oae oai oak oao oar ob- oba obb obd obe obi obk obo obr oda odb odd ode odi odo odr oea oeb oed oee oei oeo oer oia oib oid oie oii oik oio oir oka okb okd oke oki okk oko okr oo- ooa oob ood ooi ook ooo oor or- ora orb ord ore ori ork oro orr ra- raa rab rad rae rai rak rao rar rba rbb rbd rbe rbi rbk rbo rbr rda rdb rdd rde rdi rdo rdr re- rea reb red ree rei rek reo rer ria rib rid rie rii rik rio rir rkb rke rkk rko roa rob rod roe roi rok roo ror rra rrb rrd rri rrk rrr

a-ak a-be a-do a-ii a-ok aaaa aaab aaad aaae aaai aaar aaba aabb aabd aabi aada aade aadi aaea aaib aaii aaka aake aaoe aaoo aara aard aare aari aaro abaa abab abad abae abai abak abar abb- abba abbb abbe abbi abbo abbr abda abdi abdo abed abee aber abia abib abid abie abir aboa abob abod abok aboo abor abra abri abro adaa adab adad adae adai adak adao adar adba adbi adda addd adde addi addo addr adea adeb adee adeo ader adia adib adie adik adio adir adki adob adod adoe adok adoo ador adra adre adro aebi aede aeer aeio aeka aer- aera aerd aeri aero aiai aiba aibo aida aidb aide aidi aidr aiea aiee aiia aiib aiid aiir aika aike aiki aiko aioi aira aird aire airi airo akaa akae akai akao akar aked akee aker akia akid akie akik akio akir akka akki akko akok akr- akra akre aoba aoki aora aorb arab arad arae arai arak arar arba arbe arbi arda arde ardi ardo area ared aree arei arek areo aria arib arid arie arii arik ario arka arke arki arko aroa arob arod aroe aroi aroo aror arr- arra arre arri arrk arro arrr ba-i baaa baad baak baar baba babb babe babi babo babr bada badb badd bade badi bado badr baed baek baer baia baib baid baie baik baio bair bak- baka bake baki bako bakr bar- bara barb bard bare bari bark baro barr bbad bbbb bbdd bbdo bbeb bd-r bdii bead beak bear beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beek beer beia beik beir beka beke beki beko beo- beod beok beor bera berd bere beri berk bero berr biad biak biao biar biba bibb bibe bibi bibo bida bide bidi bido bidr bieb bied bier bike biko bio- bioi bira birb bird bire biri birk biro birr boab boad boai boak boar boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boer boi- boid boie boii boka boke boki boko boob bood booe book boor bor- bora bord bore bori bork boro borr brab brad brae brai brak brao brda brdo brea breb bred bree brei brek breo brer bria brid brie brik brio brka brkb broa brob brod broe brok broo bror brrr d-bo daab daad daae daar daba dabb dabo dada dade dadi dado daeb daer daia daid daie daik daio dair daka dake daki dako dara darb dard dare dari dark daro darr dbar dddd ddie ddre dead deae deak dear deba debe debi deda dedd dede dedi dedo deeb deed deek deer deid deie deir dek- deka deke deor der- dera derb dere deri derk dero derr dia- diab diad diak diao diar diba dibb dibe dibo dida dide didi dido diea dieb died dier diii dika dike diki diko dior dira dird dire dirk dirr dkba dkid doab doae doak