a-a a-b a-c aaa aab aac aae aan aas aau ab- aba abb abc abe abn abs abu ac- aca acb acc ace acn acs acu aea aeb aec aee aen aes aeu an- ana anb anc ane ann ans anu as- asa asb asc ase asn ass asu au- aua aub auc aue aun aus b-u baa bab bac bae ban bas bau bba bbb bbc bbe bbn bbs bbu bca bcb bcc bce bcn bcs bcu be- bea beb bec bee ben bes beu bna bnb bnc bne bnn bns bnu bsa bsb bsc bse bsn bss bsu bua bub buc bue bun bus buu c-- caa cab cac cae can cas cau cba cbb cbc cbe cbn cbs cbu cca ccb ccc cce ccn ccs ccu ce- cea ceb cec cee cen ces ceu cn- cna cnb cnc cne cnn cns cnu csa csb csc cse csn css csu cua cub cuc cue cun cus cuu eaa eab eac eae ean eas eau eba ebb ebc ebe ebn ebs ebu ec- eca ecb ecc ece ecn ecs ecu eea eeb eec eee een ees en- ena enb enc ene enn ens enu es- esa esb esc ese esn ess esu eu- eua eub euc eue eun eus naa nab nac nae nan nas nau nba nbb nbc nbe nbn nbs nbu nca ncb ncc nce ncn ncs ncu ne- nea neb nec nee nen nes neu nna nnb nnc nne nnn nns nnu nsa nsb nsc nse nsn nss nsu nua nub nuc nue nun nus nuu saa sab sac sae san sas sau sba sbb sbc sbe sbn sbs sbu sca scb scc sce scn scs scu se- sea seb sec see sen ses seu sna snb snc sne snn sns snu ss- ssa ssb ssc sse ssn sss ssu sua sub suc sue sun sus suu ua- uaa uab uac uae uan uas uau uba ubb ubc ube ubn ubs ubu uca ucb ucc uce ucn ucs ucu uea ueb uec uee uen ues un- una unb unc une unn uns unu usa usb usc use usn uss usu uua uuc uue uun uus uuu

-ana -ane -ase -ene a-be a-un aaaa aaab aaac aaae aaan aaas aaba aabb aabc aaca aacb aacc aace aacn aacs aacu aaea aaec aaen aaes aana aane aasa aasc aase aass aasu aaus abaa abab abac abae aban abas abau abb- abba abbb abbe abbs abca abcb abcc abcn abcs abec abee aben abes abnu abs- absa abse abss absu abua abue abun abus acaa acab acac acae acan acas acba acca accc acce accs accu ace- acea acec acen aces acne acsa acsc acse acss acu- acue acus aeac aean aeas aebn aebs aecb aena aesc aess ana- anaa anab anac anae anan anas anau anba anbb anbu anca ancc ance anec anee anen anes anna annb anne anns ansa anse ansu anua anub anue anun anus asaa asab asac asae asan asas asau asba asbu asc- asca ascb ascc asce asea asec asee asen ases asnc asne assa assc asse assn asss assu asub asue asun asus auaa aube auca auce auen auna aune ausa ause ausu baaa baan baas baba babb babe babs babu bac- baca bacc bace bacn bacs baes bana banc bane bann bans banu basa basc base bass basu bau- bbas bbau bbbb bbbs bbeb bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcnu bcsa bcsc bcsn bcss bcuc bean beas beau beba bebb bebe beca becs becu beeb been bees bena bene benn bens benu bes- besa bese bess bnas bnss bsaa bsac bsas bscs bsea bseb bsec bsee bses bsns bssc bsse buba bubb bube bubs bubu buca bucc buce bucs bucu buea buen bueu buna bunb bune bunn buns bunu busa busc buse buss busu buus caaa caab caac caan caas caba cabe cabs cabu cac- caca cacc cace caec caen caes caeu cana canc cane cann cans casa casb casc case cass casu cauc caus cbac cbbc cbbs cbca cbcc cbce cbcn cbcs cbcu cbea cbec cbee cbna cbsa cbsc cbse cbsn cbus ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs cccu ccee ccna ccnb ccnc ccne ccns ccnu ccsa ccsn ccss ccuc ccus ceac cean ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec cees cen- cena cene cens cesa cesc cese cess cnaa cnac cnas cnbc cnes cnna cnsa cnss csaa csab csac csas cscb cscc csce cscs csea csec csee csne cssa csse csua csus cuan cuau cub- cuba cubb cube cubs cuca cucc cuce cucn cues cuna cune cusa cusb cuss cusu eaba eaca eacc eaec eana eans easa ease eaus ebac eban ebba ebbc ebbs ebcc eben ebes ebsa ebus ecaa ecac ecan ecbc ecbe ecca eccb eccc ecce eces ecne ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eena eens eese enab enac enan enas enb- enbn enca ence encs enea enee enes enna ennc enne enns ennu ensa ense ensu enue enus esab esac esan esas esau esba esbs esca escb esce escs escu esea esee esen eses esna esne essa esse essu esus euan euba eubc eusa euse naaa naab naac naan naas naba nabc nabe nabs nabu naca nacc nace nacs naea naes nan- nana nanb nane nann nans nanu nas- nasa nasb nasc nase nass nasu naue naus nbaa nbas nbbc nbca nbcc nbcs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs nccu ncea ncec ncee ncen nces ncna ncnc ncsa ncsc ncse ncss ncua ncue neab neac nean neas neau neba nebb nebe nebn nebs nebu neca necc nece necs neea neeb neen nees nena nene nens nenu nesa nesb nesc nese nesn ness neua neuc neue neun neuu nnes nnnn nnsa nnss nsaa nsac nsca nscc nscs nseb nsec nsna nssa nssb nssc nsse nsss nsub nuan nuba nubc nube nubs nuca nuce nucs nucu nuee nuna nunc nune nunn nuns nuse nuss nusu sa-c saab saac