-er a-a a-b a-i aaa aab aad aae aai aao aap aar ab- aba abb abd abe abi abo abp abr ad- ada adb add ade adi ado adp adr aea aeb aed aee aei aeo aep aer ai- aia aib aid aie aii aio aip air aoa aob aod aoe aoi aoo aop aor ap- apa apb apd ape api apo app apr ar- ara arb ard are ari aro arp arr b-p baa bab bad bae bai bao bap bar bba bbb bbd bbe bbi bbo bbp bbr bda bdb bdd bde bdi bdo bdp bdr be- bea beb bed bee bei beo bep ber bi- bia bib bid bie bii bio bip bir boa bob bod boe boi boo bop bor bpa bpb bpd bpe bpi bpo bpp bpr bra brb brd bre bri bro brp brr daa dab dad dae dai dao dap dar dba dbb dbd dbe dbi dbo dbp dbr dda ddb ddd dde ddi ddo ddp ddr de- dea deb ded dee dei deo dep der di- dia dib did die dii dio dip dir doa dob dod doe doi doo dop dor dpa dpb dpd dpe dpi dpo dpp dpr dra drb drd dre dri dro drp drr eaa eab ead eae eai eao eap ear eba ebb ebd ebe ebi ebo ebp ebr ed- eda edb edd ede edi edo edp edr eea eeb eed eee eeo eep eer eia eib eid eie eii eio eip eir eo- eoa eob eod eoe eoi eoo eop eor ep- epa epb epd epe epi epo epp epr era erb erd ere eri ero erp err i-d ia- iaa iab iad iae iai iao iap iar iba ibb ibd ibe ibi ibo ibp ibr ida idb idd ide idi ido idp idr ie- iea ied iee iei iep ier iia iib iid iie iii iio iip iir io- ioa iob iod ioe ioi ioo iop ior ipa ipb ipd ipe ipi ipo ipp ipr ir- ira irb ird ire iri iro irp irr o-i oaa oab oad oae oai oao oap oar ob- oba obb obd obe obi obo obp obr oda odb odd ode odi odo odp odr oea oeb oed oee oei oeo oep oer oia oib oid oie oii oio oip oir oo- ooa oob ood ooi ooo oop oor op- opa opb opd ope opi opo opp opr or- ora orb ord ore ori oro orp orr p-p paa pab pad pae pai pao pap par pba pbb pbd pbe pbi pbo pbp pbr pda pdb pdd pde pdi pdo pdp pdr pea peb ped pee pei peo pep per pia pib pid pie pii pio pip pir poa pob pod poe poi poo pop por ppa ppb ppd ppe ppi ppo ppp ppr pra prb prd pre pri pro prp prr ra- raa rab rad rae rai rao rap rar rba rbb rbd rbe rbi rbo rbp rbr rda rdb rdd rde rdi rdo rdp rdr re- rea reb red ree rei reo rep rer ria rib rid rie rii rio rip rir roa rob rod roe roi roo rop ror rpa rpb rpd rpe rpi rpo rpp rpr rra rrb rrd rri rrp rrr

a-be a-do a-ii aaaa aaab aaad aaae aaai aaap aaar aaba aabb aabd aabi aabp aada aade aadi aaea aaep aaib aaii aaoe aaoo aapa aapi aapo aara aard aare aari aaro aarp abaa abab abad abae abai abap abar abb- abba abbb abbe abbi abbo abbr abda abdi abdo abed abee aber abia abib abid abie abir aboa abob abod aboo abor abpa abpd abpi abpp abpr abra abri abro adaa adab adad adae adai adao adap adar adba adbi adda addd adde addi addo addr adea adeb adee adeo ader adia adib adie adio adip adir adob adod adoe adoo ador adp- adra adre adro aeap aebi aede aeer aeio aer- aera aerd aeri aero aiai aiba aibo aida aidb aide aidi aidr aiea aiee aiia aiib aiid aiir aioi aipa aipe aipi aira aird aire airi airo airp aoba aopo aora aorb apai apao apap apar apba apbr apda apdd apea aped apep aper api- apia apid apie apio apip apo- apod apoe apoo apop apor appa appd appr apra apre apri apro arab arad arae arai arap arar arba arbe arbi arda arde ardi ardo area ared aree arei areo arep aria arib arid arie arii ario arip aroa arob arod aroe aroi aroo aror arpa arpe arpi 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 bapa bape bapi bapp bar- bara barb bard bare bari baro barr bbad bbbb bbdd bbdo bbeb bbpr bd-r bdii bead beap bear beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beep beer beia beir beo- beod beor bepo bera berd bere beri bero berr biad biao biap biar biba bibb bibe bibi bibo bida bide bidi bido bidr bieb bied bier bio- bioi bipa bipp bira birb bird bire biri biro birr boab boad boai boar boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boep boer boi- boid boie boii boob bood booe boop boor bopa bope bopp bor- bora bord bore bori boro borr bpai bpda bpea bpoe bprd brab brad brae brai brao brda brdo brea breb bred bree brei breo brep brer bria brid brie brio broa brob brod broe broo bror brrr d-bo daab daad daae daap daar daba dabb dabo dabp dada dade dadi dado daeb daer daia daid daie daio dair dapa dape dapi dapp dara darb dard dare dari daro darp darr dbar dbpd dddd ddie ddpo ddre dead deae deap dear deba debe debi deda dedd dede dedi dedo deeb deed deep deer deid deie deip deir deop deor depa depe depo depp depr der- dera derb dere deri dero derp derr dia- diab