a-a a-b a-c aaa aab aac aad aae aak aam aas ab- aba abb abc abd abe abk abm abs ac- aca acb acc acd ace ack acm acs ad- ada adb adc add ade adk adm ads aea aeb aec aed aee aek aem aes aka akb akc akd ake akk akm aks ama amb amc amd ame amk amm ams as- asa asb asc asd ase ask asm ass baa bab bac bad bae bak bam bas bba bbb bbc bbd bbe bbk bbm bbs bca bcb bcc bcd bce bck bcm bcs bda bdb bdc bdd bde bdk bdm bds be- bea beb bec bed bee bek bem bes bka bkb bkc bke bkk bkm bks bma bmb bmc bmd bme bmk bmm bms bsa bsb bsc bsd bse bsk bsm bss c-- caa cab cac cad cae cak cam cas cba cbb cbc cbd cbe cbk cbm cbs cca ccb ccc ccd cce cck ccm ccs cda cdb cdc cdd cde cdk cdm cds ce- cea ceb cec ced cee cek cem ces cka ckb ckc ckd ckm cks cma cmb cmc cmd cme cmk cmm cms csa csb csc csd cse csk csm css daa dab dac dad dae dak dam das dba dbb dbc dbd dbe dbk dbm dbs dca dcb dcc dcd dce dck dcm dcs dda ddb ddc ddd dde ddk ddm dds de- dea deb dec ded dee dek dem des dka dkb dkc dke dkk dkm dks dma dmb dmc dmd dme dmk dmm dms dsa dsb dsc dsd dse dsk dsm dss eaa eab eac ead eae eak eam eas eba ebb ebc ebd ebe ebk ebm ebs ec- eca ecb ecc ecd ece eck ecm ecs ed- eda edb edc edd ede edk edm eds eea eeb eec eed eee eek eem ees eka ekb ekc ekd eke eks em- ema emb emc emd eme emk emm ems es- esa esb esc esd ese esk esm ess ka- kaa kab kac kad kae kak kam kas kba kbb kbc kbd kbe kbk kbm kbs kca kcb kcc kcd kce kck kcm kcs kda kdb kdc kde kdk kdm kds ke- kea keb kec ked kee kek kem kes kkb kkc kke kkk kkm kks kma kmb kmc kmd kme kmk kmm kms ksa ksb ksc ksd kse ksk ksm kss maa mab mac mad mae mak mam mas mba mbb mbc mbd mbe mbk mbm mbs mc- mca mcb mcc mcd mce mck mcm mcs mda mdb mdc mdd mde mdk mdm mds mea meb mec med mee mek mem mes mka mkb mkc mkd mke mkk mkm mks mma mmb mmc mmd mme mmk mmm mms msa msb msc msd mse msk msm mss saa sab sac sad sae sak sam sas sba sbb sbc sbd sbe sbk sbm sbs sca scb scc scd sce sck scm scs sda sdb sdc sdd sde sdk sdm sds se- sea seb sec sed see sek sem ses sk- ska skb skc skd ske skk skm sks sma smb smc smd sme smk smm sms ss- ssa ssb ssc ssd sse ssk ssm sss

-ase a-ak a-be aaaa aaab aaac aaad aaae aaam aaas aaba aabb aabc aabd aabm aaca aacb aacc aacd aace aack aacm aacs aada aadc aade aads aaea aaec aaem aaes aaka aake aama aamb aamc aamd aame aams aasa aasc aasd aase aasm aass abaa abab abac abad abae abak abam abas abb- abba abbb abbe abbs abca abcb abcc abcd abcs abda abec abed abee abes abma abmb abmc abms abs- absa absd abse abss acaa acab acac acad acae acas acba acca accc accd acce accm accs acda acdb acdc acde acdm acds ace- acea acec aced acek acem aces ackd acke acks acma acmc acme acms acsa acsc acsd acse acsm acss adaa adab adac adad adae adak adam adas adba adbc adcc adcs adda addc addd adde adds adea adeb adee adem ades adma admb adme adms adsa adsm adss aeac aeas aebs aecb aede aeka aesc aesd aess akaa akae akam akas akca aked akee akes akka aksa amaa amac amad amae amam amas amb- amba ambe ambs amca amcc amcs amda amds amec amed amee ames amka amm- amma amme amsa amsc amsd amss asaa asab asac asad asae asak asam asas asba asbm asc- asca ascb ascc asce asda asde asds asea asec asee asek asem ases aska aske asks asma asmd asme asmm asms assa assc assd asse assk asss baaa baad baak baam baas baba babb babe babm babs bac- baca bacc bace back bacs bada badb badd bade bads baed baek baes bak- baka bake baks bama bamb bamc bame bamm bams basa basc base bask bass bbad bbas bbbb bbbs bbcm bbdd bbeb bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcda bcde bcds bcec bces bcma bcms bcsa bcsc bcsm bcss bdbc bddc bdes bdsd bdsm bead beak beam beas beba bebb bebe beca beck becs beda bede beds beeb beed beek beem bees beka beke beks bema beme bes- besa bese besk besm bess bmaa bmce bmdb bsaa bsac bsam bsas bsbd bscs bsea bseb bsec bsed bsee bses bsms bssc bssd bsse bssm c-cd caaa caab caac caam caas caba cabe cabs cac- caca cacc cace cack cacm cada cadc cadd cade cadm cads caec caem caes caka cake cama camb camc came camk camm cams casa casb casc casd case cask casm cass cbac cbbc cbbs cbca cbcc cbce cbcm cbcs cbdb cbdc cbds cbea cbec cbee cbka cbkm cbme cbms cbsa cbsc cbse cbsm ccaa ccab ccac ccad ccam ccas ccba ccbc ccca cccb cccc cccm cccs ccdc ccdm ccds cced ccee cckm ccma ccmb ccmc ccmd ccmm ccms ccsa ccsd ccss cd-e cdaa cdac cdad cdba cdcs cdda cddb cdec cdes cdma cdms cdss ceac cead ceas ceba cebs cec- ceca cece cecm cecs ceda cedd cede ceeb ceec ceem cees ceke cema cemb ceme cemm cems