-er a-a a-b a-c aaa aab aac aad aae aam aar aas ab- aba abb abc abd abe abm abr abs ac- aca acb acc acd ace acm acr acs ad- ada adb adc add ade adm adr ads aea aeb aec aed aee aem aer aes ama amb amc amd ame amm amr ams ar- ara arb arc ard are arm arr ars as- asa asb asc asd ase asm asr ass baa bab bac bad bae bam bar bas bba bbb bbc bbd bbe bbm bbr bbs bca bcb bcc bcd bce bcm bcr bcs bda bdb bdc bdd bde bdm bdr bds be- bea beb bec bed bee bem ber bes bma bmb bmc bmd bme bmm bmr bms bra brb brd bre brm brr brs bsa bsb bsc bsd bse bsm bsr bss c-- caa cab cac cad cae cam car cas cba cbb cbc cbd cbe cbm cbr cbs cca ccb ccc ccd cce ccm ccr ccs cda cdb cdc cdd cde cdm cdr cds ce- cea ceb cec ced cee cem cer ces cma cmb cmc cmd cme cmm cmr cms cra crb crc crd cre crm crr crs csa csb csc csd cse csm csr css daa dab dac dad dae dam dar das dba dbb dbc dbd dbe dbm dbr dbs dca dcb dcc dcd dce dcm dcr dcs dda ddb ddc ddd dde ddm ddr dds de- dea deb dec ded dee dem der des dma dmb dmc dmd dme dmm dmr dms dra drb drc drd dre drm drr drs dsa dsb dsc dsd dse dsm dsr dss eaa eab eac ead eae eam ear eas eba ebb ebc ebd ebe ebm ebr ebs ec- eca ecb ecc ecd ece ecm ecr ecs ed- eda edb edc edd ede edm edr eds eea eeb eec eed eee eem eer ees em- ema emb emc emd eme emm emr ems era erb erc erd ere erm err ers es- esa esb esc esd ese esm esr ess m-r maa mab mac mad mae mam mar mas mba mbb mbc mbd mbe mbm mbr mbs mc- mca mcb mcc mcd mce mcm mcr mcs mda mdb mdc mdd mde mdm mdr mds mea meb mec med mee mem mer mes mma mmb mmc mmd mme mmm mmr mms mra mrb mrc mrd mre mrm mrr mrs msa msb msc msd mse msm msr mss ra- raa rab rac rad rae ram rar ras rba rbb rbc rbd rbe rbm rbr rbs rca rcb rcc rcd rce rcm rcr rcs rda rdb rdc rdd rde rdm rdr rds re- rea reb rec red ree rem rer res rma rmb rmc rmd rme rmm rmr rms rra rrb rrc rrd rrm rrr rrs rsa rsb rsc rsd rse rsm rsr rss saa sab sac sad sae sam sar sas sba sbb sbc sbd sbe sbm sbr sbs sca scb scc scd sce scm scr scs sda sdb sdc sdd sde sdm sdr sds se- sea seb sec sed see sem ser ses sma smb smc smd sme smm smr sms sr- sra srb src srd sre srm srr srs ss- ssa ssb ssc ssd sse ssm ssr sss

-ase a-be aaaa aaab aaac aaad aaae aaam aaar aaas aaba aabb aabc aabd aabm aaca aacb aacc aacd aace aacm aacr aacs aada aadc aade aads aaea aaec aaem aaes aama aamb aamc aamd aame aamr aams aara aarc aard aare aarm aars aasa aasc aasd aase aasm aass abaa abab abac abad abae abam abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcd abcr abcs abda abec abed abee aber abes abma abmb abmc abms abra abrc abrs abs- absa absd abse abss acaa acab acac acad acae acar acas acba acca accc accd acce accm accs acda acdb acdc acde acdm acds ace- acea acec aced acem acer aces acma acmc acme acms acr- acra acrc acre acrm acrr acrs acsa acsc acsd acse acsm acss adaa adab adac adad adae adam adar adas adba adbc adcc adcs adda addc addd adde addr adds adea adeb adee adem ader ades adma admb adme admr adms adra adre adrs adsa adsm adsr adss aeac aeas aebs aecb aede aeer aer- aera aerc aerd aers aesc aesd aess amaa amac amad amae amam amar amas amb- amba ambe ambr ambs amca amcc amcs amda amds amec amed amee amer ames amm- amma amme amra amrc amsa amsc amsd amss arab arac arad arae aram arar aras arba arbe arbs arc- arca arce arcm arcs arda ardc arde ardm ards area arec ared aree arem ares arma armc armd arme armm arms arr- arra arrc arre arrr arrs ars- arsa arsc arsd arse asaa asab asac asad asae asam asar asas asba asbm asc- asca ascb ascc asce ascr asda asde asds asea asec asee asem aser ases asma asmd asme asmm asmr asms asra asrc asrm asrs assa assc assd asse assr asss baaa baad baam baar baas baba babb babe babm babr babs bac- baca bacc bace bacs bada badb badd bade badr bads baed baer baes bama bamb bamc bame bamm bams bar- bara barb barc bard bare barm barr bars basa basc base bass bbad bbas bbbb bbbs bbcm bbdd bbeb bbrc bcaa bcam bcar bcas bcbc bcbs bcca bccc bccm bccs bcda bcde bcds bcec bcer bces bcma bcms bcra bcrs bcsa bcsc bcsm bcss bd-r bdbc bddc bdes bdrm bdsd bdsm bead beam bear beas beba bebb bebe beca becs beda bede beds beeb beed beem beer bees bema beme bera berc berd bere berm berr bers bes- besa bese besm bess bmaa bmce bmdb brab brac brad brae bram bras brca brcb brce brda brdm brds brea breb brec bred bree brem brer bres brmc brrm brrr brrs brsb brsr bsaa bsac bsam bsas bsbd bscs bsea bseb bsec bsed bsee bser bses bsms bsra bsrd bsrm bssc bssd bsse bssm c-cd caaa caab caac caam