-er a-a a-b a-c aaa aab aac aae aao aar aas ab- aba abb abc abe abo abr abs ac- aca acb acc ace aco acr acs aea aeb aec aee aeo aer aes aoa aob aoc aoe aoo aor aos ar- ara arb arc are aro arr ars as- asa asb asc ase aso asr ass baa bab bac bae bao bar bas bba bbb bbc bbe bbo bbr bbs bca bcb bcc bce bco bcr bcs be- bea beb bec bee beo ber bes boa bob boc boe boo bor bos bra brb bre bro brr brs bsa bsb bsc bse bso bsr bss c-- caa cab cac cae cao car cas cba cbb cbc cbe cbo cbr cbs cca ccb ccc cce cco ccr ccs ce- cea ceb cec cee ceo cer ces co- coa cob coc coe coo cor cos cra crb crc cre cro crr crs csa csb csc cse cso csr css eaa eab eac eae eao ear eas eba ebb ebc ebe ebo ebr ebs ec- eca ecb ecc ece eco ecr ecs eea eeb eec eee eeo eer ees eo- eoa eob eoc eoe eoo eor eos era erb erc ere ero err ers es- esa esb esc ese eso esr ess oaa oab oac oae oao oar oas ob- oba obb obc obe obo obr obs oc- oca ocb occ oco ocr ocs oea oeb oec oee oeo oer oes oo- ooa oob ooc ooo oor oos or- ora orb orc ore oro orr ors os- osa osb osc ose oso osr oss ra- raa rab rac rae rao rar ras rba rbb rbc rbe rbo rbr rbs rca rcb rcc rce rco rcr rcs re- rea reb rec ree reo rer res roa rob roc roe roo ror ros rra rrb rrc rrr rrs rsa rsb rsc rse rso rsr rss saa sab sac sae sao sar sas sba sbb sbc sbe sbo sbr sbs sca scb scc sce sco scr scs se- sea seb sec see seo ser ses soa sob soc soe soo sor sos sr- sra srb src sre sro srr srs ss- ssa ssb ssc sse sso ssr sss

-ase -ose a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aaca aacb aacc aace aaco aacr aacs aaea aaec aaes aaoe aaoo aara aarc aare aaro aars aasa aasc aase aass abaa abab abac abae abar abas abb- abba abbb abbe abbo abbr abbs abca abcb abcc abcr abcs abec abee aber abes aboa abob aboo abor abos abra abrc abro abrs abs- absa abse abss acaa acab acac acae acar acas acba acca accc acce acco accs ace- acea acec acer aces acoa acoe acor acos acr- acra acrc acre acro acrr acrs acsa acsc acse acss aeac aeas aebs aecb aeer aer- aera aerc aero aers aesc aess aoba aoca aoce aocs aora aorb aors aoss arab arac arae arar aras arba arbe arbs arc- arca arce arco arcs area arec aree areo ares aroa arob aroe aroo aror aros arr- arra arrc arre arro arrr arrs ars- arsa arsc arse arso asaa asab asac asae asao asar asas asba asbo asc- asca ascb ascc asce asco ascr asea asec asee aser ases asob asoc asor asos asra asrc asro asrs assa assc asse asso assr asss baaa baar baas baba babb babe babo babr babs bac- baca bacc bace baco bacs baer baes baos bar- bara barb barc bare baro barr bars basa basc base baso bass bbas bbbb bbbs bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bcor bcos bcra bcrs bcsa bcsc bcss bear beas beba bebb bebe bebo beca becs beeb beer bees beo- beor beos bera berc bere bero berr bers bes- besa bese beso bess boab boac boar boas boba bobb bobe bobo bobs boca boce boco bocs boea boec boee boeo boer boes boob booc booe boor boos bor- bora bore boro borr bors bosa bosc bose boso boss brab brac brae brao bras brca brcb brce brea breb brec bree breo brer bres broa brob broc broe broo bror bros brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bsos bsra bssc bsse c-bo caaa caab caac caas caba cabe cabo cabs cac- caca cacc cace caco cacr caec caer caes caor caos cara carb carc care caro carr cars casa casb casc case caso casr cass cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbea cbec cbee cber cbre cbsa cbsc cbse ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs ccee ccob ccoc ccra ccrc ccre ccrs ccsa ccss ceac cear ceas ceba cebs cec- ceca cece ceco cecs ceeb ceec cees ceor ceos cer- cera cerc cere cero cers cesa cesc cese cesr cess coas coba cobb cobe cobo cobs coca coce coco coes coob coos cor- cora corb corc core coro corr cors cosa cosc cose coso coss crab crac crar cras crbc crca crcc crce crcr cre- crea creb crec cree creo cres crob croc croe croo cror crsa crss csaa csab csac csao csar csas cscb cscc csce csco cscr cscs csea csec csee cser csob csor csos csra csrc csrs cssa csse cssr eaba eaca eacc eaec eara earb eare earo ears easa ease easo ebac ebba ebbc ebbo ebbr ebbs ebcc eber ebes eboe eboo ebor ebos ebro ebsa ecaa ecac ecao ecar ecbc ecbe ecca eccb eccc ecce ecco eces eco- ecos ecra ecrc ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eeoc eera eerc eero eers eese eoes eora eore eras erba erbb erbe erca ercc erce ereb erec erer eres erob eroc eroe eroo eros erra errc erre erro errs ersa erse erso esab esac esar esas esba esbo esbs esca escb esce esco escr escs esea esee eseo eser eses eso- esos esra essa esse esso o-eo oaer oaes oara oare oars oasc oase oass obas obba obbo