-er a-a a-b a-c aaa aab aac aae aah aak aam aar aas ab- aba abb abc abe abh abk abm abr abs ac- aca acb acc ace ach ack acm acr acs aea aeb aec aee aeh aek aem aer aes aha ahb ahc ahe ahh ahk ahm ahr ahs aka akb akc ake akh akk akm akr aks ama amb amc ame amh amk amm amr ams ar- ara arb arc are arh ark arm arr ars as- asa asb asc ase ash ask asm asr ass baa bab bac bae bah bak bam bar bas bba bbb bbc bbe bbh bbk bbm bbr bbs bca bcb bcc bce bch bck bcm bcr bcs be- bea beb bec bee beh bek bem ber bes bha bhb bhc bhe bhh bhk bhm bhr bhs bka bkb bkc bke bkk bkm bkr bks bma bmb bmc bme bmh bmk bmm bmr bms bra brb bre brh brk brm brr brs bsa bsb bsc bse bsh bsk bsm bsr bss c-- caa cab cac cae cah cak cam car cas cba cbb cbc cbe cbh cbk cbm cbr cbs cca ccb ccc cce cch cck ccm ccr ccs ce- cea ceb cec cee ceh cek cem cer ces ch- cha chb chc che chh chk chm chr chs cka ckb ckc ckh ckm cks cma cmb cmc cme cmh cmk cmm cmr cms cra crb crc cre crh crk crm crr crs csa csb csc cse csh csk csm csr css eaa eab eac eae eah eak eam ear eas eba ebb ebc ebe ebh ebk ebm ebr ebs ec- eca ecb ecc ece ech eck ecm ecr ecs eea eeb eec eee eek eem eer ees eha ehb ehc ehe ehh ehm ehr ehs eka ekb ekc eke ekh ekr eks em- ema emb emc eme emh emk emm emr ems era erb erc ere erh erk erm err ers es- esa esb esc ese esh esk esm esr ess haa hab hac hae hah hak ham har has hba hbb hbc hbe hbh hbk hbm hbr hbs hca hcb hcc hce hch hck hcm hcr hcs he- hea heb hec hee heh hek hem her hes hha hhb hhc hhe hhh hhk hhm hhr hhs hka hkb hkh hkk hkm hkr hks hma hmb hmc hme hmh hmk hmm hmr hms hr- hra hrb hrc hre hrh hrk hrm hrr hrs hsa hsb hsc hse hsh hsk hsm hsr hss ka- kaa kab kac kae kah kak kam kar kas kba kbb kbc kbe kbh kbk kbm kbr kbs kca kcb kcc kce kch kck kcm kcr kcs ke- kea keb kec kee keh kek kem ker kes kha khe khh khk khm khr khs kkb kkc kke kkh kkk kkm kkr kks kma kmb kmc kme kmh kmk kmm kms kra krc krk krr krs ksa ksb ksc kse ksh ksk ksm ksr kss m-r maa mab mac mae mah mak mam mar mas mba mbb mbc mbe mbh mbk mbm mbr mbs mc- mca mcb mcc mce mch mck mcm mcr mcs mea meb mec mee meh mek mem mer mes mha mhc mhh mhk mhm mhr mhs mka mkb mkc mke mkh mkk mkm mkr mks mma mmb mmc mme mmh mmk mmm mmr mms mra mrb mrc mre mrh mrk mrm mrr mrs msa msb msc mse msh msk msm msr mss ra- raa rab rac rae rah rak ram rar ras rba rbb rbc rbe rbh rbk rbm rbr rbs rca rcb rcc rce rch rcm rcr rcs re- rea reb rec ree reh rek rem rer res rh- rha rhb rhc rhe rhh rhm rhr rhs rkb rkc rke rkk rkm rks rma rmb rmc rme rmh rmm rmr rms rra rrb rrc rrh rrk rrm rrr rrs rsa rsb rsc rse rsh rsk rsm rsr rss saa sab sac sae sah sak sam sar sas sba sbb sbc sbe sbh sbk sbm sbr sbs sca scb scc sce sch sck scm scr scs se- sea seb sec see seh sek sem ser ses sh- sha shb shc she shh shk shm shr shs sk- ska skb skc ske skh skk skm skr sks sma smb smc sme smh smk smm smr sms sr- sra srb src sre srh srk srm srr srs ss- ssa ssb ssc sse ssh ssk ssm ssr sss

-ase a-ak a-be a-ha aaaa aaab aaac aaae aaah aaam aaar aaas aaba aabb aabc aabh aabm aaca aacb aacc aace aach aack aacm aacr aacs aaea aaec aaem aaes aaha aahk aahs aaka aake aama aamb aamc aame aamr aams aara aarc aare aarm aars aasa aasc aase aasm aass abaa abab abac abae abak abam abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abch abcr abcs abec abee aber abes abha abhm abhr abhs abma abmb abmc abms abra abrc abrs abs- absa abse abss acaa acab acac acae acar acas acba acca accc acce acch accm accs ace- acea acec aceh acek acem acer aces acha ache achh achr achs acke acks acma acmc acme acmh acms acr- acra acrc acre acrm acrr acrs acsa acsc acse acsm acss aeac aeas aebs aecb aeer aeka aer- aera aerc aers aesc aess ahab ahac ahah aham ahar ahas ahem ahha ahhs ahmc ahme ahms ahra ahrc ahre ahrr ahrs ahsa ahse ahss akaa akae akah akam akar akas akca akee aker akes akha akhs akka akr- akra akre aksa amaa amac amae amah amam amar amas amb- amba ambe ambr ambs amca amcc amcs amec amee amer ames amhs amka amm- amma amme amra amrc amsa amsc amss arab arac arae arah arak aram arar aras arba arbe arbh arbs arc- arca arce arch arcm arcs area arec aree areh arek arem ares arh- arhs arka arke arkh arks arma armc arme armh armm arms arr- arra arrc arre arrh arrk arrr arrs ars- arsa arsc arse arsk asaa asab asac asae asah asak asam