a-a a-b a-c aaa aab aac aad aae aah aak aas ab- aba abb abc abd abe abh abk abs ac- aca acb acc acd ace ach ack acs ad- ada adb adc add ade adh adk ads aea aeb aec aed aee aeh aek aes aha ahb ahc ahd ahe ahh ahk ahs aka akb akc akd ake akh akk aks as- asa asb asc asd ase ash ask ass baa bab bac bad bae bah bak bas bba bbb bbc bbd bbe bbh bbk bbs bca bcb bcc bcd bce bch bck bcs bda bdb bdc bdd bde bdh bdk bds be- bea beb bec bed bee beh bek bes bha bhb bhc bhd bhe bhh bhk bhs bka bkb bkc bke bkk bks bsa bsb bsc bsd bse bsh bsk bss c-- caa cab cac cad cae cah cak cas cba cbb cbc cbd cbe cbh cbk cbs cca ccb ccc ccd cce cch cck ccs cda cdb cdc cdd cde cdh cdk cds ce- cea ceb cec ced cee ceh cek ces ch- cha chb chc chd che chh chk chs cka ckb ckc ckd ckh cks csa csb csc csd cse csh csk css daa dab dac dad dae dah dak das dba dbb dbc dbd dbe dbh dbk dbs dca dcb dcc dcd dce dck dcs dda ddb ddc ddd dde ddh ddk dds de- dea deb dec ded dee deh dek des dh- dha dhb dhc dhd dhe dhh dhk dhs dka dkb dkc dke dkk dks dsa dsb dsc dsd dse dsh dsk dss eaa eab eac ead eae eah eak eas eba ebb ebc ebd ebe ebh ebk ebs ec- eca ecb ecc ecd ece ech eck ecs ed- eda edb edc edd ede edh edk eds eea eeb eec eed eee eek ees eha ehb ehc ehd ehe ehh ehs eka ekb ekc ekd eke ekh eks es- esa esb esc esd ese esh esk ess haa hab hac had hae hah hak has hba hbb hbc hbd hbe hbh hbk hbs hca hcb hcc hcd hce hch hck hcs hda hdb hdc hdd hde hdh hdk hds he- hea heb hec hed hee heh hek hes hha hhb hhc hhd hhe hhh hhk hhs hka hkb hkd hkh hkk hks hsa hsb hsc hsd hse hsh hsk hss ka- kaa kab kac kad kae kah kak kas kba kbb kbc kbd kbe kbh kbk kbs kca kcb kcc kcd kce kch kck kcs kda kdb kdc kde kdh kdk kds ke- kea keb kec ked kee keh kek kes kha khe khh khk khs kkb kkc kke kkh kkk kks ksa ksb ksc ksd kse ksh ksk kss saa sab sac sad sae sah sak sas sba sbb sbc sbd sbe sbh sbk sbs sca scb scc scd sce sch sck scs sda sdb sdc sdd sde sdh sdk sds se- sea seb sec sed see seh sek ses sh- sha shb shc shd she shh shk shs sk- ska skb skc skd ske skh skk sks ss- ssa ssb ssc ssd sse ssh ssk sss

-ase a-ak a-be a-ha aaaa aaab aaac aaad aaae aaah aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aack aacs aada aadc aade aads aaea aaec aaes aaha aahk aahs aaka aake aasa aasc aasd aase aass abaa abab abac abad abae abak abas abb- abba abbb abbe abbs abca abcb abcc abcd abch abcs abda abec abed abee abes abha abhs abs- absa absd abse abss acaa acab acac acad acae acas acba acca accc accd acce acch accs acda acdb acdc acde acds ace- acea acec aced aceh acek aces acha ache achh achs ackd acke acks acsa acsc acsd acse acss adaa adab adac adad adae adah adak adas adba adbc adcc adcs adda addc addd adde adds adea adeb adee adeh ades adha adhd adhs adsa adss aeac aeas aebs aecb aede aeka aesc aesd aess ahab ahac ahad ahah ahas ahed ahha ahhs ahsa ahse ahss akaa akae akah akas akca aked akee akes akha akhs akka aksa asaa asab asac asad asae asah asak asas asba asc- asca ascb ascc asce asch asda asde asds asea asec asee aseh asek ases asha ashe ashk ashs aska aske asks assa assc assd asse assh assk asss baaa baad baah baak baas baba babb babe babs bac- baca bacc bace bach back bacs bada badb badd bade badh bads baed baek baes baha bahs bak- baka bake bakh baks basa basc base bash bask bass bbad bbas bbbb bbbs bbch bbdd bbeb bbhs bcaa bcas bcbc bcbs bcca bccc bccs bcda bcde bcds bcec bces bchd bche bchs bcsa bcsc bcss bdbc bddc bddh bdes bdhs bdsd bead beah beak beas beba bebb bebe beca bech beck becs beda bede beds beeb beed beek bees behs beka beke beks bes- besa bese besh besk bess bhca bhcc bhhs bkhs bsaa bsac bsas bsbd bscs bsea bseb bsec bsed bsee bses bshs bssc bssd bsse c-cd caaa caab caac caah caas caba cabe cabs cac- caca cacc cace cach cack cada cadc cadd cade cads caec caes caha cahe cahs caka cake casa casb casc casd case cash cask cass cbac cbbc cbbs cbca cbcc cbce cbcs cbdb cbdc cbds cbea cbec cbee cbha cbhs cbka cbsa cbsc cbse ccaa ccab ccac ccad ccas ccba ccbc ccca cccb cccc cccs ccdc ccdh ccds cced ccee ccha cche cchs ccsa ccsd ccss cd-e cdaa cdac cdad cdba cdcs cdda cddb cdec cdes cdhs cdss ceac cead ceas ceba cebs cec- ceca cece cecs ceda cedd cede ceeb ceec cees cehs ceke cesa cesc cese cess chaa chab chac chad chae chah chak chas chca chce chch chcs chea cheb chec ched chee cheh chek ches chha chhs chka chkb chks chsc chse chsh ckac ckbc ckbe ckch ckck ckcs ckhs cksa cksb cksh csaa csab csac csak csas cscb cscc cscd csce csch cscs csda csdb csea