a-a a-b a-c aaa aab aac aad aah aak aan aas ab- aba abb abc abd abh abk abn abs ac- aca acb acc acd ach ack acn acs ad- ada adb adc add adh adk adn ads aha ahb ahc ahd ahh ahk ahn ahs aka akb akc akd akh akk akn aks an- ana anb anc and anh ank ann ans as- asa asb asc asd ash ask asn ass baa bab bac bad bah bak ban bas bba bbb bbc bbd bbh bbk bbn bbs bca bcb bcc bcd bch bck bcn bcs bda bdb bdc bdd bdh bdk bds bha bhb bhc bhd bhh bhk bhs bka bkb bkc bkk bkn bks bna bnb bnc bnd bnk bnn bns bsa bsb bsc bsd bsh bsk bsn bss c-- caa cab cac cad cah cak can cas cba cbb cbc cbd cbh cbk cbn cbs cca ccb ccc ccd cch cck ccn ccs cda cdb cdc cdd cdh cdk cdn cds ch- cha chb chc chd chh chk chn chs cka ckb ckc ckd ckh cks cn- cna cnb cnc cnd cnh cnn cns csa csb csc csd csh csk csn css daa dab dac dad dah dak dan das dba dbb dbc dbd dbh dbk dbn dbs dca dcb dcc dcd dck dcn dcs dda ddb ddc ddd ddh ddk ddn dds dh- dha dhb dhc dhd dhh dhk dhs dka dkb dkc dkk dks dna dnb dnc dnd dnh dnk dnn dns dsa dsb dsc dsd dsh dsk dsn dss haa hab hac had hah hak han has hba hbb hbc hbd hbh hbk hbn hbs hca hcb hcc hcd hch hck hcn hcs hda hdb hdc hdd hdh hdk hdn hds hha hhb hhc hhd hhh hhk hhn hhs hka hkb hkd hkh hkk hkn hks hna hnb hnc hnd hnh hnk hnn hns hsa hsb hsc hsd hsh hsk hsn hss ka- kaa kab kac kad kah kak kan kas kba kbb kbc kbd kbh kbk kbn kbs kca kcb kcc kcd kch kck kcn kcs kda kdb kdc kdh kdk kds kha khh khk khn khs kkb kkc kkh kkk kkn kks kn- kna knc knd knk knn ksa ksb ksc ksd ksh ksk ksn kss naa nab nac nad nah nak nan nas nba nbb nbc nbd nbk nbn nbs nca ncb ncc ncd nch nck ncn ncs nda ndb ndc ndd ndh ndk ndn nds nha nhb nhc nhd nhh nhk nhn nhs nka nkc nkk nkn nks nna nnb nnc nnh nnk nnn nns nsa nsb nsc nsd nsh nsk nsn nss saa sab sac sad sah sak san sas sba sbb sbc sbd sbh sbk sbn sbs sca scb scc scd sch sck scn scs sda sdb sdc sdd sdh sdk sdn sds sh- sha shb shc shd shh shk shn shs sk- ska skb skc skd skh skk sks sna snb snc snd snk snn sns ss- ssa ssb ssc ssd ssh ssk ssn sss

-ana a-ak a-ha aaaa aaab aaac aaad aaah aaan aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aack aacn aacs aada aadc aads aaha aahk aahs aaka aana aand aasa aasc aasd aass abaa abab abac abad abak aban abas abb- abba abbb abbs abca abcb abcc abcd abch abcn abcs abda abha abhs abs- absa absd abss acaa acab acac acad acan acas acba acca accc accd acch accs acda acdb acdc acds acha achh achs ackd acks acsa acsc acsd acss adaa adab adac adad adah adak adan adas adba adbc adcc adcs adda addc addd addn adds adha adhd adhn adhs adna adns adsa adss ahab ahac ahad ahah ahas ahha ahhs ahsa ahss akaa akah akan akas akca akdn akha akhs akka akna aksa ana- anaa anab anac anad anah anak anan anas anba anbb anca ancc and- anda andh ands anha anhs ank- anka ankh anna annb anns ansa ansd asaa asab asac asad asah asak asan asas asba asc- asca ascb ascc asch asda asds asha ashk ashs aska asks asnc assa assc assd assh assk assn asss baaa baad baah baak baan baas baba babb babs bac- baca bacc bach back bacn bacs bada badb badd badh bads baha bahn bahs bak- baka bakh baks bana banc band banh bank bann bans basa basc bash bask bass bbad bbas bbbb bbbs bbch bbdd bbhs bcaa bcas bcbc bcbs bcca bccc bccs bcda bcds bchd bchs bcsa bcsc bcsn bcss bdbc bddc bddh bdhs bdna bdsd bhan bhca bhcc bhhs bkhs bnas bnhs bnss bsaa bsac bsas bsbd bscs bshs bsnd bsns bssc bssd c-cd caaa caab caac caah caan caas caba cabs cac- caca cacc cach cack cada cadc cadd cads caha cahn cahs caka cana canc cand canh cank cann cans casa casb casc casd cash cask cass cbac cbbc cbbs cbca cbcc cbcn cbcs cbdb cbdc cbdn cbds cbha cbhs cbka cbkn cbna cbnd cbsa cbsc cbsn ccaa ccab ccac ccad ccas ccba ccbc ccbn ccca cccb cccc cccs ccdc ccdh ccdn ccds ccha cchs ccna ccnb ccnc ccns ccsa ccsd ccsn ccss cdaa cdac cdad cdba cdcs cdda cddb cdhs cdna cdnb cdnc cdss chaa chab chac chad chah chak chan chas chca chch chcs chha chhs chka chkb chks chnb chnc chns chsc chsh ckac ckan ckbc ckch ckck ckcs ckhs cknb cknc ckns cksa cksb cksh cnaa cnac cnas cnbc cnda cndd cnhs cnna cnsa cnss csaa csab csac csak csas cscb cscc cscd csch cscs csda csdb csdn cshs cska csks cssa cssd d-na daab daad daan daas daba dabb dabs daca dacs dada dads daha dahn dahs daka daks dana dand dank dann dans dasa dasb dasc dasd dash dask dass dbas dbcc dbcs dbhs dbsa dbss dcas dcbc dcca dccb dccc dccs dcdb dcds dchs dcns dcsc dcss dddd ddss dhaa dhad dhak dhan dhsa dkba dkdc dksh dnaa dnab dnac dnad dnah dnan dnas dncs dnhs dnsa dnsc dsac dsba dsbc dscc dsch