-er a-a a-b a-c a-z aaa aab aac aae aar aas aaz ab- aba abb abc abe abr abs abz ac- aca acb acc ace acr acs acz aea aeb aec aee aer aes aez ar- ara arb arc are arr ars arz as- asa asb asc ase asr ass asz az- aza azb aze azs azz baa bab bac bae bar bas baz bba bbb bbc bbe bbr bbs bca bcb bcc bce bcr bcs bcz be- bea beb bec bee ber bes bez bra brb bre brr brs brz bsa bsb bsc bse bsr bss bza bze bzr bzs bzz c-- caa cab cac cae car cas caz cba cbb cbc cbe cbr cbs cbz cca ccb ccc cce ccr ccs ccz ce- cea ceb cec cee cer ces cez cra crb crc cre crr crs crz csa csb csc cse csr css csz cz- czc cze eaa eab eac eae ear eas eaz eba ebb ebc ebe ebr ebs ec- eca ecb ecc ece ecr ecs eea eeb eec eee eer ees era erb erc ere err ers erz es- esa esb esc ese esr ess eze ezr ezs ezz ra- raa rab rac rae rar ras raz rba rbb rbc rbe rbr rbs rca rcb rcc rce rcr rcs re- rea reb rec ree rer res rez rra rrb rrc rrr rrs rsa rsb rsc rse rsr rss rza rzb rze saa sab sac sae sar sas saz sba sbb sbc sbe sbr sbs sca scb scc sce scr scs se- sea seb sec see ser ses sez sr- sra srb src sre srr srs ss- ssa ssb ssc sse ssr sss ssz sza sze szr zaa zab zac zar zas zaz zbb zbc zbr zbs zce zcs zea zeb zec zee zer zes zez zrs zsa zse zsz zzr zzs zzz

-ase a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aaca aacb aacc aace aacr aacs aaea aaec aaes aara aarc aare aars aasa aasc aase aass abaa abab abac abae abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcr abcs abec abee aber abes abez abra abrc abrs abs- absa abse abss abza acaa acab acac acae acar acas acba acca accc acce accs ace- acea acec acer aces acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aeas aebs aecb aeer aer- aera aerc aers aesc aess arab arac arae arar aras arba arbe arbs arc- arca arce arcs area arec aree ares arr- arra arrc arre arrr arrs ars- arsa arsc arse arza asaa asab asac asae asar asas asba asc- asca ascb ascc asce ascr asea asec asee aser ases asra asrc asrs assa assc asse assr asss aza- azab azar azas azaz azca azer azes azra azza baaa baar baas baaz baba babb babe babr babs bac- baca bacc bace bacs bacz baer baes baez bar- bara barb barc bare barr bars barz basa basc base bass baza baze bbas bbbb bbbs bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bcra bcrs bcsa bcsc bcss bear beas beba bebb bebe beca becs beeb beer bees bera berc bere berr bers bes- besa bese bess beze brab brac brae bras braz brca brcb brce brea breb brec bree brer bres brez brrr brrs brsb brsr brza bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bsra bssc bsse bzer bzzz caaa caab caac caas caba cabe cabs cac- caca cacc cace cacr caec caer caes cara carb carc care carr cars casa casb casc case casr cass caza caze 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 ccra ccrc ccre ccrs ccsa ccss ceac cear ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cer- cera cerc cere cers cesa cesc cese cesr cess ceza ceze crab crac crar cras crbc crca crcc crce crcr crcz cre- crea creb crec cree cres crsa crss csaa csab csac csar csas cscb cscc csce cscr cscs csea csec csee cser csra csrc csrs cssa csse cssr czar eaba eaca eacc eaec eara earb eare ears easa ease ebac ebba ebbc ebbr ebbs ebcc eber ebes ebsa ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce eces ecra ecrc ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eera eerc eers eese eeze eras eraz erba erbb erbe erca ercc erce ereb erec erer eres erez erra errc erre errs ersa erse esab esac esar esas esba esbs esca escb esce escr escs esea esee eser eses esra essa esse ezer ezra raab raas raaz raba rabb rabe rabs rac- raca racc race racs raec raer raes rara rarb rare rars rarz rasa rasc rase rass raza raze razr razz rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcsa rcsc rcss rea- reac reae rear reas reba rebb rebe rebs reca recc rece recr recs recz reeb rees rera rere rers resa rese ress reza reze rras rrrr rsaa rscc rscs rsee rsre rssa rzab sa-c saab saac saae saar saas saaz saba sabb sabc sabe sabr sabs sabz saca sacc sace sacr sacs saeb saer saes saez sara sarc sare sarr sars sarz sasa sasc sase sass saza saze sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbsa sbse scaa scab scac scar scas scba sccc scce sccs scea scec scee scer scr- scra scrc scre scrs scsa scsc scsr se-c se-e se-s se-z seaa seab seac sear seas seaz seba sebe sebs sec- seca secc sece secr secs seea seeb seec seer sees seez sera serb serc sere serr sers sesa sesc sese sess sras srbc srcc sreb srec sres ssaa ssab ssac ssas ssbr ssca sscc ssce sscs ssec ssee sses ssra ssrc ssrs sssa sssb sssc ssss szar szss zaar zaba zabr zaca zacs zaer zara zarb zare zarr zaza zbar