-er a-a a-c aaa aac aad aae aaf aah aao aar ac- aca acc acd ace acf ach aco acr ad- ada adc add ade adf adh ado adr aea aec aed aee aef aeh aeo aer af- afa afc afd afe aff afh afo afr aha ahc ahd ahe ahf ahh aho ahr aoa aoc aod aoe aof aoh aoo aor ar- ara arc ard are arf arh aro arr c-- caa cac cad cae caf cah cao car cca ccc ccd cce ccf cch cco ccr cda cdc cdd cde cdf cdh cdo cdr ce- cea cec ced cee cef ceh ceo cer cfa cfc cfd cfe cff cfh cfo cfr ch- cha chc chd che chf chh cho chr co- coa coc cod coe cof coh coo cor cra crc crd cre crf crh cro crr daa dac dad dae daf dah dao dar dca dcc dcd dce dcf dco dcr dda ddc ddd dde ddf ddh ddo ddr de- dea dec ded dee def deh deo der dfa dfc dfd dfe dff dfh dfo dfr dh- dha dhc dhd dhe dhf dhh dho dhr doa doc dod doe dof doh doo dor dra drc drd dre dro drr eaa eac ead eae eaf eah eao ear ec- eca ecc ecd ece ecf ech eco ecr ed- eda edc edd ede edf edh edo edr eea eec eed eee eef eeo eer ef- efa efc efd efe eff efh efo efr eha ehc ehd ehe ehf ehh eho ehr eo- eoa eoc eod eoe eof eoh eoo eor era erc erd ere erf erh ero err faa fac fad fae faf fah fao far fca fcc fcd fce fcf fco fcr fda fdc fdd fde fdf fdh fdo fdr fea fec fed fee fef feh feo fer ffa ffc ffd ffe fff ffh ffo ffr fha fhc fhe fhf fhh fho fhr foa foc foe fof foh foo for fra frc frd fre frf frh fro frr haa hac had hae haf hah hao har hca hcc hcd hce hcf hch hco hcr hda hdc hdd hde hdf hdh hdo hdr he- hea hec hed hee hef heh heo her hfa hfc hfd hfe hff hfh hfo hfr hha hhc hhd hhe hhf hhh hho hhr hoa hoc hod hoe hof hoh hoo hor hr- hra hrc hrd hre hrf hrh hro hrr oaa oac oad oae oaf oah oao oar oc- oca occ ocd ocf och oco ocr oda odc odd ode odf odh odo odr oea oec oed oee oef oeh oeo oer of- ofa ofc ofd ofe off ofo ofr oha ohc ohd ohe ohf ohh oho ohr oo- ooa ooc ood oof ooh ooo oor or- ora orc ord ore orf orh oro orr ra- raa rac rad rae raf rah rao rar rca rcc rcd rce rcf rch rco rcr rda rdc rdd rde rdf rdh rdo rdr re- rea rec red ree ref reh reo rer rfa rfc rfd rfe rff rfh rfo rfr rh- rha rhc rhd rhe rhf rhh rho rhr roa roc rod roe rof roh roo ror rra rrc rrd rrf rrh rrr

a-do a-ha aaaa aaac aaad aaae aaaf aaah aaar aaca aacc aacd aace aacf aach aaco aacr aada aadc aade aaea aaec aafa aafc aafd aaff aaha aaoe aaoo aara aarc aard aare aaro acaa acac acad acae acar acca accc accd acce accf acch acco acda acdc acde acdf ace- acea acec aced aceh acer acfc acfd acfe acha ache achh acho achr acoa acod acoe acoh acor acr- acra acrc acre acro acrr adaa adac adad adae adah adao adar adcc adda addc addd adde addo addr adea adee adeh adeo ader adfa adfc adha adhd adho adoc adod adoe adoo ador adra adre adro aeac aeaf aede aeer aer- aera aerc aerd aero afaa afad afao afar afca afcc afch afdc afee afer affa affc affo afoa afoe afoo afor afr- afra afrc afre afro ahac ahad ahah ahar ahed ahfa ahha ahoa ahod ahoe ahor ahra ahrc ahre ahrr aoah aoca aoce aodh aora arac arad arae araf arah arar arc- arca arce arch arco arda ardc arde ardf ardo area arec ared aree aref areh areo arfa arfc arff arh- aroa arod aroe aroo aror arr- arra arrc arre arrh arro arrr c-cd caaa caac caaf caah cac- caca cacc cace cach caco cacr cada cadc cadd cade cado cadr caec caer cafa cafc cafe caff caha cahe caod caor cara carc card care carf caro carr ccaa ccac ccad ccaf ccar ccca cccc cccf ccdc ccdf ccdh ccdr cced ccee ccfa ccfc ccfd ccff ccha cche cchr ccoc ccod ccra ccrc ccre ccrf cd-e cd-r cdaa cdac cdad cdda cddr cdec cdef cder cdfa cdfe cdre ceac cead cear cec- ceca cece ceco ceda cedd cede cedo ceec cef- cefa cefc ceor cer- cera cerc cerd cere cerf cero cfaa cfac cfae cfao cfar cfca cfcf cfco cfda cffr cfoa cfor cfra cfre chaa chac chad chae chaf chah chao char chca chce chch chea chec ched chee chef cheh cher chfa chfc chfr chha choc chod choh choo chor chra chrc chrd chrf chro chrr coad coca coce coch coco coda codd code coed cofc cofe coff coha coho cood coof cooh cor- cora corc cord core corf coro corr crac craf crar crca crcc crce crcr crda crdc cre- crea crec cred cree creh creo crfc croc crod croe croh croo cror daad daae daar daca dace dada dade dado daer dafa dafc dafe daff dafo daha dahe dara darc dard dare darf daro darr dcca dccc dcfc dche dcra dddd ddoc ddrc ddre deac dead deae deaf dear dec- deca decc decd dece deco deda dedd dede dedo deed deef deer defe deff defo deha deor der- dera derc dere derf dero derr dfaf dfcc dfco dfer dffa dfoe dfrf dhaa dhad dhao dhar dhec dhed dhee dher dhfc dhod dhor doae doar doca doce