-er a-a a-b a-t aaa aab aad aae aao aap aar aat ab- aba abb abd abe abo abp abr abt ad- ada adb add ade ado adp adr adt aea aeb aed aee aeo aep aer aet aoa aob aod aoe aoo aop aor aot ap- apa apb apd ape apo app apr apt ar- ara arb ard are aro arp arr art at- ata atb atd ate ato atp atr att b-p baa bab bad bae bao bap bar bat bba bbb bbd bbe bbo bbp bbr bbt bda bdb bdd bde bdo bdp bdr bdt be- bea beb bed bee beo bep ber bet boa bob bod boe boo bop bor bot bpa bpb bpd bpe bpo bpp bpr bpt bra brb brd bre bro brp brr brt bta btb btd bte bto btp btr btt daa dab dad dae dao dap dar dat dba dbb dbd dbe dbo dbp dbr dbt dda ddb ddd dde ddo ddp ddr ddt de- dea deb ded dee deo dep der det doa dob dod doe doo dop dor dot dpa dpb dpd dpe dpo dpp dpr dpt dra drb drd dre dro drp drr drt dta dtb dtd dte dto dtp dtr dtt eaa eab ead eae eao eap ear eat eba ebb ebd ebe ebo ebp ebr ebt ed- eda edb edd ede edo edp edr edt eea eeb eed eee eeo eep eer eet eo- eoa eob eod eoe eoo eop eor eot ep- epa epb epd epe epo epp epr ept era erb erd ere ero erp err ert eta etb etd ete eto etp etr ett oaa oab oad oae oao oap oar oat ob- oba obb obd obe obo obp obr obt oda odb odd ode odo odp odr odt oea oeb oed oee oeo oep oer oet oo- ooa oob ood ooo oop oor oot op- opa opb opd ope opo opp opr opt or- ora orb ord ore oro orp orr ort ot- ota otb otd ote oto otp otr ott p-p paa pab pad pae pao pap par pat pba pbb pbd pbe pbo pbp pbr pbt pda pdb pdd pde pdo pdp pdr pdt pea peb ped pee peo pep per pet poa pob pod poe poo pop por pot ppa ppb ppd ppe ppo ppp ppr ppt pra prb prd pre pro prp prr prt pt- pta ptb ptd pte pto ptp ptr ptt ra- raa rab rad rae rao rap rar rat rba rbb rbd rbe rbo rbp rbr rbt rda rdb rdd rde rdo rdp rdr rdt re- rea reb red ree reo rep rer ret roa rob rod roe roo rop ror rot rpa rpb rpd rpe rpo rpp rpr rpt rra rrb rrd rrp rrr rrt rta rtb rtd rte rto rtp rtr rtt taa tab tad tae tao tap tar tat tba tbb tbd tbe tbo tbp tbr tbt tda tdb tdd tde tdo tdp tdr tdt te- tea teb ted tee teo tep ter tet to- toa tob tod toe too top tor tot tpa tpb tpd tpe tpo tpp tpr tpt tra trb trd tre tro trp trr trt tta ttb ttd tte tto ttp ttr ttt

a-be a-do aaaa aaab aaad aaae aaap aaar aaba aabb aabd aabp aabt aada aade aadt aaea aaep aaoe aaoo aapa aapo aapt aara aard aare aaro aarp aart aata aatt abaa abab abad abae abap abar abat abb- abba abbb abbe abbo abbr abbt abda abdo abed abee aber abet aboa abob abod aboo abor abot abpa abpd abpp abpr abra abro abta adaa adab adad adae adao adap adar adat adba adda addd adde addo addr adea adeb adee adeo ader adet adob adod adoe adoo ador adot adp- adra adre adro adta aeap aede aedt aeer aer- aera aerd aero aeta aeto aetr aett aoba aopo aora aorb aort aotd apao apap apar apat apba apbr apda apdd apea aped apep aper apet apo- apod apoe apoo apop apor apot appa appd appr appt apra apre apro aprt apta apte aptt arab arad arae arap arar arat arba arbe arda arde ardo area ared aree areo arep aret aroa arob arod aroe aroo aror arpa arpe arr- arra arre arro arrr arrt arta arte arto artr at-t ataa atab atad atae atap atar atat atdt atea ated atee ateo atep ater atob atod atoe atop ator atot atpr atra atre atro atrp atta atte atto attp attr baaa baad baar baat baba babb babe babo babr bada badb badd bade bado badr baed baer bapa bape bapp bapt bar- bara barb bard bare baro barr bart bata bate bato batt bbad bbbb bbdd bbdo bbeb bbet bbpr bd-r bead beap bear beat beba bebb bebe bebo beda bede bedo beeb beed beep beer beet beo- beod beor beot bepo bera berd bere bero berr bert beta bete beto bett boab boad boar boat boba bobb bobe bobo boda bodb bode bodo boea boee boeo boep boer boet boob bood booe boop boor boot bopa bope bopp bor- bora bord bore boro borr bort bota botb botd bote boto bott bpda bpea bpoe bpot bprd brab brad brae brao brat brda brdo brdt brea breb bred bree breo brep brer bret broa brob brod broe broo bror brot brrr btaa btbp btdt btob btor btrt bttb d-bo daab daad daae daap daar daba dabb dabo dabp dabt dada dade dado daeb daer dapa dape dapp dara darb dard dare daro darp darr dart data date dato datp datr datt dbar dbpd dbtt dddd ddot ddpo ddre dead deae deap dear deba debe debt deda dedd dede dedo deeb deed deep deer deet deop deor depa depe depo depp depr dept der- dera derb dere dero derp derr deta dete deto detr doab doae doap doar doat doba dobb dobe dod- doda dodd dode dodo doea doer doob dood doop door doot dopa dope dopo dopp dopr dopt dora dord dore doro dorp dorr