-al a-a a-b a-c aaa aab aac aae aal aas aau aax ab- aba abb abc abe abl abs abu abx ac- aca acb acc ace acl acs acu acx aea aeb aec aee ael aes aeu aex al- ala alb alc ale all als alu alx as- asa asb asc ase asl ass asu asx au- aua aub auc aue aul aus aux ax- axa axe axl axs axx b-u baa bab bac bae bal bas bau bax bba bbb bbc bbe bbl bbs bbu bbx bca bcb bcc bce bcl bcs bcu bcx be- bea beb bec bee bel bes beu bex bla blb blc ble bll bls blu blx bsa bsb bsc bse bsl bss bsu bsx bua bub buc bue bul bus buu bux bxb bxl bxx c-- caa cab cac cae cal cas cau cax cba cbb cbc cbe cbl cbs cbu cbx cca ccb ccc cce ccl ccs ccu ccx ce- cea ceb cec cee cel ces ceu cex cl- cla clb clc cle cll cls clu clx csa csb csc cse csl css csu csx cua cub cuc cue cul cus cuu cxc cxl cxs cxx eaa eab eac eae eal eas eau eax eba ebb ebc ebe ebl ebs ebu ebx ec- eca ecb ecc ece ecl ecs ecu ecx eea eeb eec eee eel ees eex ela elb elc ele ell els elu elx es- esa esb esc ese esl ess esu esx eu- eua eub euc eue eul eus eux ex- exa exc exe exl exs exu exx la- laa lab lac lae lal las lau lax lba lbb lbc lbe lbl lbs lbu lbx lca lcb lcc lce lcl lcs lcu lcx lea leb lec lee lel les leu lex lla llb llc lle lll lls llu lsa lsb lsc lse lsl lss lsu lua lub luc lue lul lus luu lux lxc lxx saa sab sac sae sal sas sau sax sba sbb sbc sbe sbl sbs sbu sbx sca scb scc sce scl scs scu scx se- sea seb sec see sel ses seu sex sla slb slc sle sll sls slu slx ss- ssa ssb ssc sse ssl sss ssu ssx sua sub suc sue sul sus suu sux sxc sxl sxs sxu ua- uaa uab uac uae ual uas uau uba ubb ubc ube ubl ubs ubu ubx uca ucb ucc uce ucl ucs ucu uea ueb uec uee uel ues ula ulb ulc ule ull uls ulu usa usb usc use usl uss usu usx uua uuc uue uus uuu uxb uxc uxu xaa xac xal xas xau xbc xbe xbl xbx xcb xcl xcx xee xel xes xeu xex xla xlb xls xsa xsb xsc xsl xss xue xul xus xxl xxx

-ase a-be aaaa aaab aaac aaae aaal aaas aaba aabb aabc aabl aaca aacb aacc aace aacl aacs aacu aaea aaec aaes aala aalc aale aall aals aalu aasa aasc aase aass aasu aaus abaa abab abac abae abal abas abau abax abb- abba abbb abbe abbs abca abcb abcc abcl abcs abec abee abel abes abla able abls abs- absa abse absl abss absu abua abue abul abus acaa acab acac acae acas acba acbl acca accc acce accs accu ace- acea acec acel aces acla aclc acle acls aclu acsa acsc acse acsl acss acu- acue acul acus aeac aeas aebs aecb aecl aela aelc aesc aess alaa alac alae alal alas alau alb- alba albc albe albs albu alca alcc alce alcs alea alec alee ales aleu alex all- alla alle alll alls allu alsa alsc alse alua alus alux alxa asaa asab asac asae asal asas asau asba asbu asc- asca ascb ascc asce ascl ascx asea asec asee asel ases asla asle assa assc asse assl asss assu asub asue asus auaa aube auca auce auel aul- aula aule aull auls aulu ausa ause ausu auxa axal axce axel axes axle axse ba-x baaa baal baas baba babb babe babs babu bac- baca bacc bace bacs bael baes bala balc bale ball bals balu basa basc base bass basu bau- baul baux bbas bbau bbbb bbbs bbeb bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcec bces bcsa bcsc bcsl bcss bcuc beal beas beau beba bebb bebe beca becs becu beeb beel bees bela bele bell bels belu bes- besa bese bess beux blaa blab blac blae blas blau blcu blea bleb blee bles bleu blls blss blub blue blus bsaa bsac bsas bscs bsea bseb bsec bsee bses bslc bssc bsse bual buba bubb bube bubs bubu buca bucc buce bucs bucu buea buel bueu bula bulb bule bull buls bulu busa busc buse buss busu busx buus buxa caaa caab caac caal caas caba cabe cabs cabu cac- caca cacc cace caec caes caeu caex cala calc cale call cals calu calx casa casb casc case casl cass casu cauc caul caus caux caxa cbac cbal cbax cbbc cbbs cbca cbcc cbce cbcl cbcs cbcu cbea cbec cbee cblb cblc cbsa cbsc cbse cbus cbux cbxa ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs cccu ccee ccel ccla cclc ccls cclx ccsa ccsl ccss ccuc ccus ccxl ceac ceal ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec ceel cees cel- cela celc cele cell cels cesa cesc cese cess ceux cexe clab clas clau clea clec clee cles cleu clsa clsc club clue clux clxx csaa csab csac csas cscb cscc csce cscl cscs csea csec csee csla cslu cssa csse csua csus cuau cub- cuba cubb cube cubs cuca cucc cuce cues cula culb culc cule cull culs cusa cusb cuss cusu cxxx e-cl e-la eaba eaca eacc eaec eala ealc eale easa ease eaus eaux eaxl ebac ebal ebba ebbc ebbs ebcc ebel ebes ebla ebsa ebul ebus ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl eces ecla ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eele eels