a-a a-b a-c aaa aab aac aae aak aan aas ab- aba abb abc abe abk abn abs ac- aca acb acc ace ack acn acs aea aeb aec aee aek aen aes aka akb akc ake akk akn aks an- ana anb anc ane ank ann ans as- asa asb asc ase ask asn ass baa bab bac bae bak ban bas bba bbb bbc bbe bbk bbn bbs bca bcb bcc bce bck bcn bcs be- bea beb bec bee bek ben bes bka bkb bkc bke bkk bkn bks bna bnb bnc bne bnk bnn bns bsa bsb bsc bse bsk bsn bss c-- caa cab cac cae cak can cas cba cbb cbc cbe cbk cbn cbs cca ccb ccc cce cck ccn ccs ce- cea ceb cec cee cek cen ces cka ckb ckc cks cn- cna cnb cnc cne cnn cns csa csb csc cse csk csn css eaa eab eac eae eak ean eas eba ebb ebc ebe ebk ebn ebs ec- eca ecb ecc ece eck ecn ecs eea eeb eec eee eek een ees eka ekb ekc eke eks en- ena enb enc ene enk enn ens es- esa esb esc ese esk esn ess ka- kaa kab kac kae kak kan kas kba kbb kbc kbe kbk kbn kbs kca kcb kcc kce kck kcn kcs ke- kea keb kec kee kek ken kes kkb kkc kke kkk kkn kks kn- kna knc kne knk knn ksa ksb ksc kse ksk ksn kss naa nab nac nae nak nan nas nba nbb nbc nbe nbk nbn nbs nca ncb ncc nce nck ncn ncs ne- nea neb nec nee nek nen nes nka nkc nke nkk nkn nks nna nnb nnc nne nnk nnn nns nsa nsb nsc nse nsk nsn nss saa sab sac sae sak san sas sba sbb sbc sbe sbk sbn sbs sca scb scc sce sck scn scs se- sea seb sec see sek sen ses sk- ska skb skc ske skk sks sna snb snc sne snk snn sns ss- ssa ssb ssc sse ssk ssn sss

-ana -ane -ase -ene a-ak a-be aaaa aaab aaac aaae aaan aaas aaba aabb aabc aaca aacb aacc aace aack aacn aacs aaea aaec aaen aaes aaka aake aana aane aasa aasc aase aass abaa abab abac abae abak aban abas abb- abba abbb abbe abbs abca abcb abcc abcn abcs abec abee aben abes abs- absa abse abss acaa acab acac acae acan acas acba acca accc acce accs ace- acea acec acek acen aces acke acks acne acsa acsc acse acss aeac aean aeas aebn aebs aecb aeka aena aesc aess akaa akae akan akas akca akee aken akes akka akna aksa ana- anaa anab anac anae anak anan anas anba anbb anca ancc ance anec anee anen anes ank- anka anke anna annb anne anns ansa anse asaa asab asac asae asak asan asas asba asc- asca ascb ascc asce asea asec asee asek asen ases aska aske asks asnc asne assa assc asse assk assn asss baaa baak baan baas baba babb babe babs bac- baca bacc bace back bacn bacs baek baes bak- baka bake baks bana banc bane bank bann bans basa basc base bask bass bbas bbbb bbbs bbeb bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcsa bcsc bcsn bcss beak bean beas beba bebb bebe beca beck becs beeb beek been bees beka beke beks bena bene benk benn bens bes- besa bese besk bess bnas bnss bsaa bsac bsas bscs bsea bseb bsec bsee bses bsns bssc bsse caaa caab caac caan caas caba cabe cabs cac- caca cacc cace cack caec caen caes caka cake cana canc cane cank cann cans casa casb casc case cask cass cbac cbbc cbbs cbca cbcc cbce cbcn cbcs cbea cbec cbee cbka cbkn cbna cbsa cbsc cbse cbsn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs ccee ccna ccnb ccnc ccne ccns ccsa ccsn ccss ceac cean ceas ceba cebs cec- ceca cece cecs ceeb ceec cees ceke cen- cena cene cens cesa cesc cese cess ckac ckan ckbc ckbe ckck ckcs cken cknb cknc ckns cksa cksb cnaa cnac cnas cnbc cnes cnna cnsa cnss csaa csab csac csak csas cscb cscc csce cscs csea csec csee cska csks csne cssa csse eaba eaca eacc eaec eana eans easa ease ebac eban ebba ebbc ebbs ebcc eben ebes ebsa ecaa ecac ecan ecbc ecbe ecca eccb eccc ecce eces ecka ecks ecne ecsa ecsc ecse ecss eeca eecs eeea eeee eees eeka eeke eeks eena eens eese eesk eka- ekab ekeb ekek eken ekes ekka ekne enab enac enan enas enb- enbn enca ence encs enea enee enes enka enke enna ennc enne enns ensa ense esab esac esan esas esba esbs esca escb esce escs esea esee esek esen eses eska eske esks esna esne essa esse kaaa kaab kaak kaan kaas kaba kabb kabc kabe kacb kacc kace kacs kaes kaka kakc kake kakk kakn kaks kana kanb kane kann kans kas- kasa kasb kasc kase kask kasn kass kbaa kbab kbac kbae kbak kbas kbba kbbb kbbc kbbe kbbk kbbs kbca kbcb kbce kbck kbcs kbeb kbec kbee kbek kben kbes kbkb kbkk kbna kbnn kbsa kbsb kbsk kbsn kbss kcaa kcab kcac kcas kcba kcbc kcbk kcbs kcca kccb kccc kcck kcea kceb kcec kcee kckc kckk kckn kcnb kcns kcsa kcsb kcsc kcse kcsn kcss kea- keak kean keas keba kebb kebc kebe kebn keca keck keek keen kees keka kekb kekc keke keks ken- kena kene kenk kenn kens kesa kesb kesc kesk kesn kess kkaa kkac kkan kkba kkbb kkbe kkbn kkbs kkcb kkck kkcn kkcs kkea kken kkkk kknb kkne kknn kkns kksa kkse kksn kkss knaa knab knac knan knas knba knbb knbc knbe knbn knca kncb knce knck kncn knea kneb knec knee knek knen knes knkk knnb knnk knns knsa knsb knsc knse