a-a a-b a-c aaa aab aac aae aah aak aam aas ab- aba abb abc abe abh abk abm abs ac- aca acb acc ace ach ack acm acs aea aeb aec aee aeh aek aem aes aha ahb ahc ahe ahh ahk ahm ahs aka akb akc ake akh akk akm aks ama amb amc ame amh amk amm ams as- asa asb asc ase ash ask asm ass baa bab bac bae bah bak bam bas bba bbb bbc bbe bbh bbk bbm bbs bca bcb bcc bce bch bck bcm bcs be- bea beb bec bee beh bek bem bes bha bhb bhc bhe bhh bhk bhm bhs bka bkb bkc bke bkk bkm bks bma bmb bmc bme bmh bmk bmm bms bsa bsb bsc bse bsh bsk bsm bss c-- caa cab cac cae cah cak cam cas cba cbb cbc cbe cbh cbk cbm cbs cca ccb ccc cce cch cck ccm ccs ce- cea ceb cec cee ceh cek cem ces ch- cha chb chc che chh chk chm chs cka ckb ckc ckh ckm cks cma cmb cmc cme cmh cmk cmm cms csa csb csc cse csh csk csm css eaa eab eac eae eah eak eam eas eba ebb ebc ebe ebh ebk ebm ebs ec- eca ecb ecc ece ech eck ecm ecs eea eeb eec eee eek eem ees eha ehb ehc ehe ehh ehm ehs eka ekb ekc eke ekh eks em- ema emb emc eme emh emk emm ems es- esa esb esc ese esh esk esm ess haa hab hac hae hah hak ham has hba hbb hbc hbe hbh hbk hbm hbs hca hcb hcc hce hch hck hcm hcs he- hea heb hec hee heh hek hem hes hha hhb hhc hhe hhh hhk hhm hhs hka hkb hkh hkk hkm hks hma hmb hmc hme hmh hmk hmm hms hsa hsb hsc hse hsh hsk hsm hss ka- kaa kab kac kae kah kak kam kas kba kbb kbc kbe kbh kbk kbm kbs kca kcb kcc kce kch kck kcm kcs ke- kea keb kec kee keh kek kem kes kha khe khh khk khm khs kkb kkc kke kkh kkk kkm kks kma kmb kmc kme kmh kmk kmm kms ksa ksb ksc kse ksh ksk ksm kss maa mab mac mae mah mak mam mas mba mbb mbc mbe mbh mbk mbm mbs mc- mca mcb mcc mce mch mck mcm mcs mea meb mec mee meh mek mem mes mha mhc mhh mhk mhm mhs mka mkb mkc mke mkh mkk mkm mks mma mmb mmc mme mmh mmk mmm mms msa msb msc mse msh msk msm mss saa sab sac sae sah sak sam sas sba sbb sbc sbe sbh sbk sbm sbs sca scb scc sce sch sck scm scs se- sea seb sec see seh sek sem ses sh- sha shb shc she shh shk shm shs sk- ska skb skc ske skh skk skm sks sma smb smc sme smh smk smm sms ss- ssa ssb ssc sse ssh ssk ssm sss

-ase a-ak a-be a-ha aaaa aaab aaac aaae aaah aaam aaas aaba aabb aabc aabh aabm aaca aacb aacc aace aach aack aacm aacs aaea aaec aaem aaes aaha aahk aahs aaka aake aama aamb aamc aame aams aasa aasc aase aasm aass abaa abab abac abae abak abam abas abb- abba abbb abbe abbs abca abcb abcc abch abcs abec abee abes abha abhm abhs abma abmb abmc abms abs- absa abse abss acaa acab acac acae acas acba acca accc acce acch accm accs ace- acea acec aceh acek acem aces acha ache achh achs acke acks acma acmc acme acmh acms acsa acsc acse acsm acss aeac aeas aebs aecb aeka aesc aess ahab ahac ahah aham ahas ahem ahha ahhs ahmc ahme ahms ahsa ahse ahss akaa akae akah akam akas akca akee akes akha akhs akka aksa amaa amac amae amah amam amas amb- amba ambe ambs amca amcc amcs amec amee ames amhs amka amm- amma amme amsa amsc amss asaa asab asac asae asah asak asam asas asba asbm asc- asca ascb ascc asce asch asea asec asee aseh asek asem ases asha ashe ashk ashs aska aske asks asma asme asmm asms assa assc asse assh assk asss baaa baah baak baam baas baba babb babe babm babs bac- baca bacc bace bach back bacs baek baes baha bahs bak- baka bake bakh baks bama bamb bamc bame bamm bams basa basc base bash bask bass bbas bbbb bbbs bbch bbcm bbeb bbhs bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcec bces bche bchs bcma bcms bcsa bcsc bcsm bcss beah beak beam beas beba bebb bebe beca bech beck becs beeb beek beem bees behm behs beka beke beks bema beme bes- besa bese besh besk besm bess bhca bhcc bhhs bhms bkhs bmaa bmce bmhs bsaa bsac bsam bsas bscs bsea bseb bsec bsee bses bshs bsms bssc bsse bssm caaa caab caac caah caam caas caba cabe cabs cac- caca cacc cace cach cack cacm caec caem caes caha cahe cahs caka cake cama camb camc came camh camk camm cams casa casb casc case cash cask casm cass cbac cbbc cbbs cbca cbcc cbce cbcm cbcs cbea cbec cbee cbha cbhs cbka cbkm cbme cbms cbsa cbsc cbse cbsm ccaa ccab ccac ccam ccas ccba ccbc ccca cccb cccc cccm cccs ccee ccha cche cchs cckm ccma ccmb ccmc ccmm ccms ccsa ccss ceac ceas ceba cebs cec- ceca cece cecm cecs ceeb ceec ceem cees cehs ceke cema cemb ceme cemm cems cesa cesc cese cess chaa chab chac chae chah chak cham chas chca chce chch chcm chcs chea cheb chec chee cheh chek chem ches chha chhs chka chkb chks chmb chmc chms chsc chse chsh chsm ckac ckbc ckbe ckch ckck ckcm ckcs ckem ckhs cksa cksb cksh cmaa cmac cmah cmas cmba