-er a-a a-c aaa aac aad aae aaf aah aar ac- aca acc acd ace acf ach acr ad- ada adc add ade adf adh adr aea aec aed aee aef aeh aer af- afa afc afd afe aff afh afr aha ahc ahd ahe ahf ahh ahr ar- ara arc ard are arf arh arr c-- caa cac cad cae caf cah car cca ccc ccd cce ccf cch ccr cda cdc cdd cde cdf cdh cdr ce- cea cec ced cee cef ceh cer cfa cfc cfd cfe cff cfh cfr ch- cha chc chd che chf chh chr cra crc crd cre crf crh crr daa dac dad dae daf dah dar dca dcc dcd dce dcf dcr dda ddc ddd dde ddf ddh ddr de- dea dec ded dee def deh der dfa dfc dfd dfe dff dfh dfr dh- dha dhc dhd dhe dhf dhh dhr dra drc drd dre drr eaa eac ead eae eaf eah ear ec- eca ecc ecd ece ecf ech ecr ed- eda edc edd ede edf edh edr eea eec eed eee eef eer ef- efa efc efd efe eff efh efr eha ehc ehd ehe ehf ehh ehr era erc erd ere erf erh err faa fac fad fae faf fah far fca fcc fcd fce fcf fcr fda fdc fdd fde fdf fdh fdr fea fec fed fee fef feh fer ffa ffc ffd ffe fff ffh ffr fha fhc fhe fhf fhh fhr fra frc frd fre frf frh frr haa hac had hae haf hah har hca hcc hcd hce hcf hch hcr hda hdc hdd hde hdf hdh hdr he- hea hec hed hee hef heh her hfa hfc hfd hfe hff hfh hfr hha hhc hhd hhe hhf hhh hhr hr- hra hrc hrd hre hrf hrh hrr ra- raa rac rad rae raf rah rar rca rcc rcd rce rcf rch rcr rda rdc rdd rde rdf rdh rdr re- rea rec red ree ref reh rer rfa rfc rfd rfe rff rfh rfr rh- rha rhc rhd rhe rhf rhh rhr rra rrc rrd rrf rrh rrr

a-ha aaaa aaac aaad aaae aaaf aaah aaar aaca aacc aacd aace aacf aach aacr aada aadc aade aaea aaec aafa aafc aafd aaff aaha aara aarc aard aare acaa acac acad acae acar acca accc accd acce accf acch acda acdc acde acdf ace- acea acec aced aceh acer acfc acfd acfe acha ache achh achr acr- acra acrc acre acrr adaa adac adad adae adah adar adcc adda addc addd adde addr adea adee adeh ader adfa adfc adha adhd adra adre aeac aeaf aede aeer aer- aera aerc aerd afaa afad afar afca afcc afch afdc afee afer affa affc afr- afra afrc afre ahac ahad ahah ahar ahed ahfa ahha ahra ahrc ahre ahrr arac arad arae araf arah arar arc- arca arce arch arda ardc arde ardf area arec ared aree aref areh arfa arfc arff arh- arr- arra arrc arre arrh arrr c-cd caaa caac caaf caah cac- caca cacc cace cach cacr cada cadc cadd cade cadr caec caer cafa cafc cafe caff caha cahe cara carc card care carf carr ccaa ccac ccad ccaf ccar ccca cccc cccf ccdc ccdf ccdh ccdr cced ccee ccfa ccfc ccfd ccff ccha cche cchr 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 ceda cedd cede ceec cef- cefa cefc cer- cera cerc cerd cere cerf cfaa cfac cfae cfar cfca cfcf cfda cffr cfra cfre chaa chac chad chae chaf chah char chca chce chch chea chec ched chee chef cheh cher chfa chfc chfr chha chra chrc chrd chrf chrr crac craf crar crca crcc crce crcr crda crdc cre- crea crec cred cree creh crfc daad daae daar daca dace dada dade daer dafa dafc dafe daff daha dahe dara darc dard dare darf darr dcca dccc dcfc dche dcra dddd ddrc ddre deac dead deae deaf dear dec- deca decc decd dece deda dedd dede deed deef deer defe deff deha der- dera derc dere derf derr dfaf dfcc dfer dffa dfrf dhaa dhad dhar dhec dhed dhee dher dhfc draa drac drad draf drar drca drda drea dred dree dref dreh drfc drra eaaf eaca eacc each eada eadd eaec eara eard eare earh ecaa ecac ecad ecar ecca eccc ecce ecdc ecdf eced ecef ecfa ecfc ecfr echa eche ecra ecrc ecrf ecrr edac edad edah edar edca edda eddc edde ede- edea edeh eder edfa edra eeca eede eeea eeee eefa eefe eera eerc efca efda effa ehaa ehcc ehdd ehea eheh eher ehre erad eraf erca ercc erce erch erda erde erdf erec ered erer erfc erhc erra errc erre faaa faac faad faah faca facc face fach fada fadd fade fafa fafc fafe faff faha fahd fahr fara farc fard fare farr fcar fcca fccf fcch fcda fcra fdca fead feaf fear fece fech feda fede feed feer fefc fefe feff fehd fehr fera ferc ferd fere ferr ffar ffcc ffee ffff ffrr frac frad frae frcc frea fred free frfc haad haaf haar hace hada hade hadf hadh haec haed hafd hafe haff haha hara harc hard hare harf harh harr hcca hccc hcch hcdr hcfa hcfc hcrd hdca hdda hdfc hdra head heaf heah hear heca hech heda hedd hede heed heef heer hefd hefe hehe hera herc herd here herr hfce hhaa hhhh hrac hrad hrdc hree hrfc hrrc raad raaf rac- raca racc race rach rada radc radd rade radh radr raec raed raef raer rafa rafc rafe raff raha rahe rahr rara rare rarf rcac rcaf rccc rcdc rcde rcfc rcrd rdac rder rdfa rea- reac read reae reaf rear reca recc recd rece rech recr reda redc redd rede redh redr reed reef refd refe reff refr reha rehe rera rerd rere rfae rfef rffc rhae rhce rhea rhee rrad