-er a-a a-c a-t aaa aac aad aae aao aap aar aat ac- aca acc acd ace aco acp acr act ad- ada adc add ade ado adp adr adt aea aec aed aee aeo aep aer aet aoa aoc aod aoe aoo aop aor aot ap- apa apc apd ape apo app apr apt ar- ara arc ard are aro arp arr art at- ata atc atd ate ato atp atr att c-- caa cac cad cae cao cap car cat cca ccc ccd cce cco ccp ccr cct cda cdc cdd cde cdo cdp cdr cdt ce- cea cec ced cee ceo cep cer cet co- coa coc cod coe coo cop cor cot cpa cpc cpd cpe cpo cpp cpr cpt cra crc crd cre cro crp crr crt cta ctc ctd cte cto ctp ctr ctt daa dac dad dae dao dap dar dat dca dcc dcd dce dco dcp dcr dct dda ddc ddd dde ddo ddp ddr ddt de- dea dec ded dee deo dep der det doa doc dod doe doo dop dor dot dpa dpc dpd dpe dpo dpp dpr dpt dra drc drd dre dro drp drr drt dta dtc dtd dte dto dtp dtr dtt eaa eac ead eae eao eap ear eat ec- eca ecc ecd ece eco ecr ect ed- eda edc edd ede edo edp edr edt eea eec eed eee eeo eep eer eet eo- eoa eoc eod eoe eoo eop eor eot ep- epa epc epd epe epo epp epr ept era erc erd ere ero erp err ert eta etc etd ete eto etp etr ett oaa oac oad oae oao oap oar oat oc- oca occ ocd oco ocp ocr oct oda odc odd ode odo odp odr odt oea oec oed oee oeo oep oer oet oo- ooa ooc ood ooo oop oor oot op- opa opc opd ope opo opp opr opt or- ora orc ord ore oro orp orr ort ot- ota otc otd ote oto otp otr ott p-p paa pac pad pae pao pap par pat pca pcc pcd pce pco pcp pcr pct pda pdc pdd pde pdo pdp pdr pdt pea pec ped pee peo pep per pet poa poc pod poe poo pop por pot ppa ppc ppd ppe ppo ppp ppr ppt pra prc prd pre pro prp prr prt pt- pta ptc ptd pte pto ptp ptr ptt ra- raa rac rad rae rao rap rar rat rca rcc rcd rce rco rcp rcr rct rda rdc rdd rde rdo rdp rdr rdt re- rea rec red ree reo rep rer ret roa roc rod roe roo rop ror rot rpa rpc rpd rpe rpo rpp rpr rpt rra rrc rrd rrp rrr rrt rta rtc rtd rte rto rtp rtr rtt taa tac tad tae tao tap tar tat tca tcc tcd tce tco tcp tcr tct tda tdc tdd tde tdo tdp tdr tdt te- tea tec ted tee teo tep ter tet to- toa toc tod toe too top tor tot tpa tpc tpd tpe tpo tpp tpr tpt tra trc trd tre tro trp trr trt tta ttc ttd tte tto ttp ttr ttt

a-do aaaa aaac aaad aaae aaap aaar aaca aacc aacd aace aaco aacp aacr aact aada aadc aade aadt aaea aaec aaep aaoe aaoo aapa aapc aapo aapt aara aarc aard aare aaro aarp aart aata aatc aatt ac-t acaa acac acad acae acap acar acat acca accc accd acce acco accp acct acda acdc acde acdp acdt ace- acea acec aced acer acet acoa acod acoe acop acor acot acpa acpd acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte acto actt adaa adac adad adae adao adap adar adat adcc adda addc addd adde addo addr adea adee adeo ader adet adoc adod adoe adoo ador adot adp- adra adre adro adta aeac aeap aect aede aedt aeer aer- aera aerc aerd aero aeta aetc aeto aetr aett aoca aoce aopo aora aort aotc aotd apac apao apap apar apat apca apcc apcd apco apcr apda apdd apea apec aped apep aper apet apo- apoc apod apoe apoo apop apor apot appa appc appd appr appt apra aprc apre apro aprt apta aptc apte aptt arac arad arae arap arar arat arc- arca arce arco arct arda ardc arde ardo area arec ared aree areo arep aret aroa arod aroe aroo aror arpa arpe arr- arra arrc arre arro arrr arrt arta artc arte arto artr at-t ataa atac atad atae atap atar atat atca atcc atco atcr atdt atea atec ated atee ateo atep ater atoc atod atoe atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr c-cd caaa caac caap caat cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr caec caer caod caor capa capc capd cape capo capp capt cara carc card care caro carp carr cart cat- cata catc catd cate cato catt ccaa ccac ccad ccap ccar ccat ccca cccc cccp ccdc ccdp ccdr cced ccee ccoc ccod ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccrt cctc cctt cd-e cd-r cdaa cdac cdad cdda cddr cdec cder cdot cdre ceac cead cear ceat cec- ceca cece ceco cecp cect ceda cedd cede cedo cedt ceec ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cerd cere cero cerp cert cet- ceta cete ceto cetp coad coat coca coce coco cocp coct coda codd code coed coep cood coop coot copa copd cope copo copp copr copt cor- cora corc cord core coro corp corr cort cota cotc cote coto cott cpaa cpac cpad cpap cpca cpce cpea cpep cper cppa cppd cpre cprt cptp cptr crac crap crar crat crca crcc crce crcr crda crdc cre- crea crec cred cree creo crep cret croc crod croe croo crop cror crot crpc crrt crtc crtp ctae ctca ctcp ctec ctep ctor ctot ctpo