-er a-a a-b a-c aaa aab aac aad aae aar ab- aba abb abc abd abe abr ac- aca acb acc acd ace acr ad- ada adb adc add ade adr aea aeb aec aed aee aer ar- ara arb arc ard are arr baa bab bac bad bae bar bba bbb bbc bbd bbe bbr bca bcb bcc bcd bce bcr bda bdb bdc bdd bde bdr be- bea beb bec bed bee ber bra brb brd bre brr c-- caa cab cac cad cae car cba cbb cbc cbd cbe cbr cca ccb ccc ccd cce ccr cda cdb cdc cdd cde cdr ce- cea ceb cec ced cee cer cra crb crc crd cre crr daa dab dac dad dae dar dba dbb dbc dbd dbe dbr dca dcb dcc dcd dce dcr dda ddb ddc ddd dde ddr de- dea deb dec ded dee der dra drb drc drd dre drr eaa eab eac ead eae ear eba ebb ebc ebd ebe ebr ec- eca ecb ecc ecd ece ecr ed- eda edb edc edd ede edr eea eeb eec eed eee eer era erb erc erd ere err ra- raa rab rac rad rae rar rba rbb rbc rbd rbe rbr rca rcb rcc rcd rce rcr rda rdb rdc rdd rde rdr re- rea reb rec red ree rer rra rrb rrc rrd rrr

a-be aaaa aaab aaac aaad aaae aaar aaba aabb aabc aabd aaca aacb aacc aacd aace aacr aada aadc aade aaea aaec aara aarc aard aare abaa abab abac abad abae abar abb- abba abbb abbe abbr abca abcb abcc abcd abcr abda abec abed abee aber abra abrc acaa acab acac acad acae acar acba acca accc accd acce acda acdb acdc acde ace- acea acec aced acer acr- acra acrc acre acrr adaa adab adac adad adae adar adba adbc adcc adda addc addd adde addr adea adeb adee ader adra adre aeac aecb aede aeer aer- aera aerc aerd arab arac arad arae arar arba arbe arc- arca arce arda ardc arde area arec ared aree arr- arra arrc arre arrr baaa baad baar baba babb babe babr bac- baca bacc bace bada badb badd bade badr baed baer bar- bara barb barc bard bare barr bbad bbbb bbdd bbeb bbrc bcaa bcar bcbc bcca bccc bcda bcde bcec bcer bcra bd-r bdbc bddc bead bear beba bebb bebe beca beda bede beeb beed beer bera berc berd bere berr brab brac brad brae brca brcb brce brda brea breb brec bred bree brer brrr c-cd caaa caab caac caba cabe cac- caca cacc cace cacr cada cadc cadd cade cadr caec caer cara carb carc card care carr cbac cbar cbbc cbca cbcc cbce cbcr cbdb cbdc cbea cbec cbee cber cbrd cbre ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc ccdc ccdr cced ccee ccra ccrc ccre cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdre ceac cead cear ceba cec- ceca cece ceda cedd cede ceeb ceec cer- cera cerc cerd cere crab crac crar crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree daab daad daae daar daba dabb daca dace dada dade daeb daer dara darb darc dard dare darr dbar dbcc dcbc dcca dccb dccc dcdb dcra dddd ddrc ddre deac dead deae dear deba debe dec- deca decc decd dece deda dedd dede deeb deed deer der- dera derb derc dere derr draa drab drac drad drar drba drbc drca drda drea dred dree drra eaba eaca eacc eada eadb eadd eaec eara earb eard eare ebac ebba ebbc ebbr ebcc ebed eber ecaa ecac ecad ecar ecbc ecbe ecca eccb eccc ecce ecdc eced ecra ecrc ecrr edac edad edar edca edda eddc edde ede- edea eder edra eeca eede eeea eeee eera eerc erad erba erbb erbe erca ercc erce erda erde ereb erec ered erer erra errc erre raab raad raba rabb rabe rac- raca racc race rada radc radd rade radr raec raed raer rara rarb rare rbbb rbbr rcac rcbc rccb rccc rcdc rcde rcrd rdac rder rea- reac read reae rear reba rebb rebe reca recc recd rece recr reda redc redd rede redr reeb reed rera rerd rere rrad rred rrrr

-aaa- -abad a-dec aaace aaadc aaaee aaarc aabaa aabba aabra aacbc aadac abaab ababa ababe abaca abada abade abaer abara abare abbac abbad abbar abbed abccc abcdb abcde abead abear abeba abebe abece abede abeed abeer abera abere aberr abrac abrad abrar acaca acacb acar- acara acard acare accad acced accra accrd aceae acedb acera acerb acrab acrea acred acree adaba adabe adada adara adare adber addae addea added adder addra adead adear adeeb adeed adeer adrad adrar adree aeaea aebbe aered ar-ab ara-c arab- araba arabe araca arace arada araea arara arare arbab arbar arbed arbee arber arbre arcae arcde arced arcee ardab ardea ardeb ardee arder ardra ardre aread areae arear areca arede areed arere arrea b-e-d baabe baade baaed baard babar babec babee baber babra bacab bacar bacca bacea badar badde badea bader badra baeda baraa barab barac barad barar barba barbe barca barce barda barde barea bared barer barra barre bbbee bbear bcced bd-re be-er beara beard beare bebad bebar bebed beber bebra becca bedab bedad bedar bedda bedde bedee beder beeac beebe beede beerd berar berba berbe berca berde berea berec bered berra berre braca bracc brace brada brade braed brard brdda bread breba brece breda bredd brede breed breer brera brerd brere brrar brrrr c-a-c ca-ca caaba caare cabed caber cabra cabre cadac cadae cadar caddr cadea caded cadee cader cadra cadre caec- caeca caere caraa carab carac carad carb- carda carde carea cared carer carra carre ccccc ceace ceara ceare cearr cebec ceber cedac cedar cedda ceded ceder cedr- cedra cedre ceeac ceede ceere cerae cerc- cerca cerce cerda cerea cerec cered cerer cerre craba crabb crace crada cradd crade craer crare crear crebe crece crede