a-a a-b a-c aaa aab aac aae aak aan aas aaw ab- aba abb abc abe abk abn abs abw ac- aca acb acc ace ack acn acs acw aea aeb aec aee aek aen aes aew aka akb akc ake akk akn aks akw an- ana anb anc ane ank ann ans as- asa asb asc ase ask asn ass asw aw- awa awb awc awe awk awn aws aww baa bab bac bae bak ban bas baw bba bbb bbc bbe bbk bbn bbs bbw bca bcb bcc bce bck bcn bcs be- bea beb bec bee bek ben bes bew bka bkb bkc bke bkk bkn bks bkw bna bnb bnc bne bnk bnn bns bnw bsa bsb bsc bse bsk bsn bss bsw bwa bwb bwc bwk bws c-- caa cab cac cae cak can cas caw cba cbb cbc cbe cbk cbn cbs cbw cca ccb ccc cce cck ccn ccs ccw ce- cea ceb cec cee cek cen ces cew cka ckb ckc cks ckw cn- cna cnb cnc cne cnn cns cnw csa csb csc cse csk csn css csw cw- cwa cwb cwc cwe cwk cwn cws eaa eab eac eae eak ean eas eaw eba ebb ebc ebe ebk ebn ebs ebw ec- eca ecb ecc ece eck ecn ecs ecw eea eeb eec eee eek een ees eew eka ekb ekc eke eks en- ena enb enc ene enk enn ens enw es- esa esb esc ese esk esn ess esw ewa ewb ewc ewe ewk ews eww ka- kaa kab kac kae kak kan kas kaw kba kbb kbc kbe kbk kbn kbs kbw kca kcb kcc kce kck kcn kcs ke- kea keb kec kee kek ken kes kew kkb kkc kke kkk kkn kks kn- kna knc kne knk knn ksa ksb ksc kse ksk ksn kss ksw kw- kwa kwc kwk kws kww naa nab nac nae nak nan nas naw nba nbb nbc nbe nbk nbn nbs nbw nca ncb ncc nce nck ncn ncs ncw ne- nea neb nec nee nek nen nes new nka nkc nke nkk nkn nks nna nnb nnc nne nnk nnn nns nnw nsa nsb nsc nse nsk nsn nss nsw nwa nwb nwc nwe nwn nws saa sab sac sae sak san sas saw sba sbb sbc sbe sbk sbn sbs sbw sca scb scc sce sck scn scs scw se- sea seb sec see sek sen ses sew sk- ska skb skc ske skk sks skw sna snb snc sne snk snn sns snw ss- ssa ssb ssc sse ssk ssn sss ssw swa swb swc swe swk swn sws waa wab wac wae wak wan was waw wba wbb wbc wbe wbn wbs wbw wca wcb wcc wce wck wcn wcs wcw wea web wec wee wek wen wes wew wka wkb wkc wke wks wkw wn- wna wnc wne wnn wns wnw wsa wsb wsc wse wsk wsn wss wsw wwa wwc wwe wwn www

-ana -ane -ase -ene a-ak a-be a-wa aaaa aaab aaac aaae aaan aaas aaba aabb aabc aabw aaca aacb aacc aace aack aacn aacs aaea aaec aaen aaes aaka aake aana aane aasa aasc aase aass aaww abaa abab abac abae abak aban abas abaw abb- abba abbb abbe abbs abca abcb abcc abcn abcs abcw abec abee aben abes abs- absa abse abss absw abwa abwe acaa acab acac acae acan acas acba acca accc acce accs ace- acea acec acek acen aces acke acks ackw acne acsa acsc acse acss acsw acwa acww aeac aean aeas aebn aebs aecb aeka aena aesc aess akaa akae akan akas akca akee aken akes akka akna aksa akwa ana- anaa anab anac anae anak anan anas anba anbb anca ancc ance anec anee anen anes anew ank- anka anke anna annb anne anns ansa anse asaa asab asac asae asak asan asas asba asc- asca ascb ascc asce ascw asea asec asee asek asen ases asew aska aske asks asnc asne assa assc asse assk assn asss aswe awac awae awan awas awbe awe- aweb awee awen awes awka awne awns awsk awss awwa awws 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 baw- bawe bawk bawn baws bbas bbbb bbbs bbeb bbwc bbws bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcsa bcsc bcsn bcss beak bean beas beaw beba bebb bebe beca beck becs beeb beek been bees beka beke beks bena bene benk benn bens bes- besa bese besk bess bewa bewe bnas bnss bsaa bsac bsas bsaw bscs bsea bseb bsec bsee bses bsns bssc bsse bwaa bwan caaa caab caac caan caas caba cabe cabs cac- caca cacc cace cack cacw caec caen caes caka cake cana canc cane cank cann cans casa casb casc case cask cass cawk caws cbac cbbc cbbs cbca cbcc cbce cbcn cbcs cbea cbec cbee cbka cbkn cbna cbsa cbsc cbse cbsn cbwa ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs ccee cckw 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 cewa cewe ckac ckan ckbc ckbe ckck ckcs ckcw cken cknb cknc ckns cknw cksa cksb cksw ckws ckww 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 cswk csws cwac cweb eaba eaca eacc eaec eana eans easa ease ebac eban ebba ebbc ebbs ebbw ebcc eben ebes ebsa ecaa ecac ecan ecbc ecbe ecca eccb eccc ecce eces ecka ecks ecne ecsa ecsc ecse ecss ecwa eeca eecs eeea eeee eees eeka eeke eeks eena eens eese eesk eka- ekab ekeb ekek eken ekes ekka ekne ekwe enab enac enan enas enb-