-er a-a a-b a-i a-t aaa aab aad aae aai aao aap aar aat ab- aba abb abd abe abi abo abp abr abt ad- ada adb add ade adi ado adp adr adt aea aeb aed aee aei aeo aep aer aet ai- aia aib aid aie aii aio aip air ait aoa aob aod aoe aoi aoo aop aor aot ap- apa apb apd ape api apo app apr apt ar- ara arb ard are ari aro arp arr art at- ata atb atd ate ati ato atp atr att b-p baa bab bad bae bai bao bap bar bat bba bbb bbd bbe bbi bbo bbp bbr bbt bda bdb bdd bde bdi bdo bdp bdr bdt be- bea beb bed bee bei beo bep ber bet bi- bia bib bid bie bii bio bip bir bit boa bob bod boe boi boo bop bor bot bpa bpb bpd bpe bpi bpo bpp bpr bpt bra brb brd bre bri bro brp brr brt bta btb btd bte bti bto btp btr btt daa dab dad dae dai dao dap dar dat dba dbb dbd dbe dbi dbo dbp dbr dbt dda ddb ddd dde ddi ddo ddp ddr ddt de- dea deb ded dee dei deo dep der det di- dia dib did die dii dio dip dir dit doa dob dod doe doi doo dop dor dot dpa dpb dpd dpe dpi dpo dpp dpr dpt dra drb drd dre dri dro drp drr drt dta dtb dtd dte dti dto dtp dtr dtt eaa eab ead eae eai eao eap ear eat eba ebb ebd ebe ebi ebo ebp ebr ebt ed- eda edb edd ede edi edo edp edr edt eea eeb eed eee eeo eep eer eet eia eib eid eie eii eio eip eir eit eo- eoa eob eod eoe eoi eoo eop eor eot ep- epa epb epd epe epi epo epp epr ept era erb erd ere eri ero erp err ert eta etb etd ete eti eto etp etr ett i-d ia- iaa iab iad iae iai iao iap iar iat iba ibb ibd ibe ibi ibo ibp ibr ibt ida idb idd ide idi ido idp idr idt ie- iea ied iee iei iep ier iet iia iib iid iie iii iio iip iir iit io- ioa iob iod ioe ioi ioo iop ior iot ipa ipb ipd ipe ipi ipo ipp ipr ipt ir- ira irb ird ire iri iro irp irr irt ita itb itd ite iti ito itp itt o-i oaa oab oad oae oai oao oap oar oat ob- oba obb obd obe obi obo obp obr obt oda odb odd ode odi odo odp odr odt oea oeb oed oee oei oeo oep oer oet oia oib oid oie oii oio oip oir oit oo- ooa oob ood ooi ooo oop oor oot op- opa opb opd ope opi opo opp opr opt or- ora orb ord ore ori oro orp orr ort ot- ota otb otd ote oti oto otp otr ott p-p paa pab pad pae pai pao pap par pat pba pbb pbd pbe pbi pbo pbp pbr pbt pda pdb pdd pde pdi pdo pdp pdr pdt pea peb ped pee pei peo pep per pet pia pib pid pie pii pio pip pir pit poa pob pod poe poi poo pop por pot ppa ppb ppd ppe ppi ppo ppp ppr ppt pra prb prd pre pri pro prp prr prt pt- pta ptb ptd pte pti pto ptp ptr ptt ra- raa rab rad rae rai rao rap rar rat rba rbb rbd rbe rbi rbo rbp rbr rbt rda rdb rdd rde rdi rdo rdp rdr rdt re- rea reb red ree rei reo rep rer ret ria rib rid rie rii rio rip rir rit roa rob rod roe roi roo rop ror rot rpa rpb rpd rpe rpi rpo rpp rpr rpt rra rrb rrd rri rrp rrr rrt rta rtb rtd rte rti rto rtp rtr rtt taa tab tad tae tai tao tap tar tat tba tbb tbd tbe tbi tbo tbp tbr tbt tda tdb tdd tde tdi tdo tdp tdr tdt te- tea teb ted tee tei teo tep ter tet tia tib tid tie tii tio tip tir tit to- toa tob tod toe toi too top tor tot tpa tpb tpd tpe tpi tpo tpp tpr tpt tra trb trd tre tri tro trp trr trt tta ttb ttd tte tti tto ttp ttr ttt

a-be a-do a-ii aaaa aaab aaad aaae aaai aaap aaar aaba aabb aabd aabi aabp aabt aada aade aadi aadt aaea aaep aaib aaii aaoe aaoo aapa aapi aapo aapt aara aard aare aari aaro aarp aart aata aatt abaa abab abad abae abai abap abar abat abb- abba abbb abbe abbi abbo abbr abbt abda abdi abdo abed abee aber abet abia abib abid abie abir abit aboa abob abod aboo abor abot abpa abpd abpi abpp abpr abra abri abro abta adaa adab adad adae adai adao adap adar adat adba adbi adda addd adde addi addo addr adea adeb adee adeo ader adet adia adib adie adio adip adir adit adob adod adoe adoo ador adot adp- adra adre adro adta aeap aebi aede aedt aeer aeio aeit aer- aera aerd aeri aero aeta aeto aetr aett aiai aiba aibo aida aidb aide aidi aidr aidt aiea aiee aiet aiia aiib aiid aiir aioi aipa aipe aipi aira aird aire airi airo airp airt aita aite aiti aitr aitt aoba aopo aora aorb aort aotd apai apao apap apar apat apba apbr apda apdd apea aped apep aper apet api- apia apid apie apio apip apit apo- apod apoe apoo apop apor apot appa appd appr appt apra apre apri apro aprt apta apte apti aptt arab arad arae arai arap arar arat arba arbe arbi arda arde ardi ardo area ared aree arei areo arep aret aria arib