-al a-a a-b a-c a-z aaa aab aac aal aas aau aaz ab- aba abb abc abl abs abu abz ac- aca acb acc acl acs acu acz al- ala alb alc all als alu alz as- asa asb asc asl ass asu asz au- aua aub auc aul aus auz az- aza azb azs azu azz b-u baa bab bac bal bas bau baz bba bbb bbc bbl bbs bbu bca bcb bcc bcl bcs bcu bcz bla blb blc bll bls blu blz bsa bsb bsc bsl bss bsu bua bub buc bul bus buu buz bza bzs bzu bzz c-- caa cab cac cal cas cau caz cba cbb cbc cbl cbs cbu cbz cca ccb ccc ccl ccs ccu ccz cl- cla clb clc cll cls clu clz csa csb csc csl css csu csz cua cub cuc cul cus cuu cuz cz- czc la- laa lab lac lal las lau laz lba lbb lbc lbl lbs lbu lca lcb lcc lcl lcs lcu lla llb llc lll lls llu llz lsa lsb lsc lsl lss lsu lsz lua lub luc lul lus luu luz lzs lzu saa sab sac sal sas sau saz sba sbb sbc sbl sbs sbu sca scb scc scl scs scu sla slb slc sll sls slu ss- ssa ssb ssc ssl sss ssu ssz sua sub suc sul sus suu suz sza szl szu ua- uaa uab uac ual uas uau uaz uba ubb ubc ubl ubs ubu uca ucb ucc ucl ucs ucu ula ulb ulc ull uls ulu usa usb usc usl uss usu usz uua uuc uus uuu uza uzb uzu zaa zab zac zas zaz zbb zbc zbl zbs zcl zcs zla zsa zsl zsu zsz zub zuc zul zus zuz zzs zzz

aaaa aaab aaac aaal aaas aaba aabb aabc aabl aaca aacb aacc aacl aacs aacu aala aalc aall aals aalu aasa aasc aass aasu aaus abaa abab abac abal abas abau abb- abba abbb abbs abca abcb abcc abcl abcs abla abls abs- absa absl abss absu abua abul abus abza abzu acaa acab acac acas acba acbl acca accc accs accu acla aclc acls aclu acsa acsc acsl acss acu- acul acus alaa alac alal alas alau alaz alb- alba albc albs albu alca alcc alcs all- alla alll alls allu alsa alsc alua alus alza asaa asab asac asal asas asau asba asbu asc- asca ascb ascc ascl asla assa assc assl asss assu asub asus auaa auca aul- aula aull auls aulu ausa ausu aza- azab azal azas azaz azca azua azul azza baaa baal baas baaz baba babb babs babu bac- baca bacc bacs bacz bala balc ball bals balu basa basc bass basu bau- baul baza bbas bbau bbbb bbbs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcsa bcsc bcsl bcss bcuc blaa blab blac blas blau blaz blcu blls blss blub blus bsaa bsac bsas bscs bslc bssc bual buba bubb bubs bubu buca bucc bucs bucu bucz bula bulb bull buls bulu bulz busa busc buss busu buus buuz buza buzz bzzz caaa caab caac caal caas caba cabs cabu cac- caca cacc cala calc call cals calu casa casb casc casl cass casu cauc caul caus caza cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbcu cblb cblc cbsa cbsc cbus ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs cccu ccla cclc ccls ccsa ccsl ccss ccuc ccus clab clas clau clsa clsc club csaa csab csac csas cscb cscc cscl cscs csla cslu cssa csua csus cuau cub- cuba cubb cubs cuca cucc cula culb culc cull culs cusa cusb cuss cusu laaa laac laal laas laba labs labu laca lacc lacl lacs lacu lala lall lalu lasa lass lasu laub laul laus laza lazu lbcc lbsc lcac lcbc lcca lccc lccs lcls lcsc llbs llcc llcs lllc llll lsbu lscb lscs lsla lssa luas luau luaz luba lubs luca lucs lula lull lulu lulz lusa luss luua luza sa-c saab saac saal saas saaz saba sabb sabc sabs sabu sabz saca sacc sacs sacu sala salc sall sals salu salz sasa sasc sasl sass saua sauc saul saus saza sbaa sbac sbas sbbs sbca sbcc sbcs sbsa sbus scaa scab scac scal scas scba sccc sccl sccs scl- sclc scls scsa scsc scsl scsu scua scub scul slaa slab slac slas slau slcc slcu slsa slsc slsu slub sluc ssaa ssab ssac ssas ssau ssca sscc sscs ssla sslc sssa sssb sssc ssss suas sub- suba subb subl subs subz suc- succ sucs sul- sula sulc sull sulu sulz sus- susa suss susu susz suus suza suzu suzz szla szss szuc uabc uaca uasa uaua ubac ubal ubba ubla ubls ucal ucas ucbc ucca ucla ucsa ucsb ucsc ucsu ucua ulaa ulas ulbc ulcc ulla ulsa ulua ulul ulus us-a usaa usac usal usas usba usbc usbl usbs usca uscc uscs uslu ussa ussb ussc usss ussu usua usul usus usza uulu uuuu uzal uzbl uzsa zaal zaba zabu zaca zacs zal zala zalu zasu zaza zazu zbus zsss zubu zula zull zulu zulz zuul zuzu zzzs zzzz

-aaa- aaaas aaasa aaass aabaa aabba aacbc aacsa aacsb aacsl aacss aacus abaab ababa ababs ababu abaca abacs abala aball abasa abass abaza abazu abbac abbas abcas abccc abula abull abuzz abzac abzal acaca acacb acala acall acass acaua accas accub accus aclla aclub acuba acula acusa alaba alaca alala alalu alasa alass alaus albac albal albas albul albus allal allas allss alluc allus alsab alula alull asaba asabc asala asall asasa asbca ascus aslab assab assac assal assas asubs auala auass aubas aucas aulas aulla aulus aussa auuls auzas azabu azaca azala azula azusa b-cas baalc baals baalu babas babau babbs babul babus bacab bacas bacca bacu bacul bacza balac balal balas balaz balca balla balls ballz balsa balus balza basab basal basca bassa bassu baula bauza bazac bazas bazus bball bbuss bccsl blaas blaaz blabs blaca blacc