-ase a-be aaaa aaab aaac aaae aaal aaas aaba aabb aabc aabl aaca aacb aacc aace aacl aacs aaea aaec aaes aala aalc aale aall aals aasa aasc aase aass abaa abab abac abae abal abas abb- abba abbb abbe abbs abca abcb abcc abcl abcs abec abee abel abes abla able abls abs- absa abse absl abss acaa acab acac acae acas acba acbl acca accc acce accs ace- acea acec acel aces acla aclc acle acls acsa acsc acse acsl acss aeac aeas aebs aecb aecl aela aelc aesc aess alaa alac alae alal alas alb- alba albc albe albs alca alcc alce alcs alea alec alee ales all- alla alle alll alls alsa alsc alse asaa asab asac asae asal asas asba asc- asca ascb ascc asce ascl asea asec asee asel ases asla asle assa assc asse assl asss baaa baal baas baba babb babe babs bac- baca bacc bace bacs bael baes bala balc bale ball bals basa basc base bass bbas bbbb bbbs bbeb bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcec bces bcsa bcsc bcsl bcss beal beas beba bebb bebe beca becs beeb beel bees bela bele bell bels bes- besa bese bess blaa blab blac blae blas blea bleb blee bles blls blss bsaa bsac bsas bscs bsea bseb bsec bsee bses bslc bssc bsse caaa caab caac caal caas caba cabe cabs cac- caca cacc cace caec caes cala calc cale call cals casa casb casc case casl cass cbac cbal cbbc cbbs cbca cbcc cbce cbcl cbcs cbea cbec cbee cblb cblc cbsa cbsc cbse ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs ccee ccel ccla cclc ccls ccsa ccsl ccss ceac ceal ceas ceba cebs cec- ceca cece cecs ceeb ceec ceel cees cel- cela celc cele cell cels cesa cesc cese cess clab clas clea clec clee cles clsa clsc csaa csab csac csas cscb cscc csce cscl cscs csea csec csee csla cssa csse e-cl e-la eaba eaca eacc eaec eala ealc eale easa ease ebac ebal ebba ebbc ebbs ebcc ebel ebes ebla ebsa ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl eces ecla ecsa ecsc ecse ecss eeca eecs eeea eeee eees eele eels eese el-b elab elac elal elas elba elbe elca elcb elce elea elec elee eles ella elle ells elsa else esab esac esas esba esbs esca escb esce escs esea esee esel eses esla essa esse essl laaa laac laal laas laba labe labs laca lacc lace lacl lacs lael laes lala lale lall lasa lase lass lbcc lbsc lcac lcbc lcca lccc lcce lccs lces lcls lcsc leaa leal leas leba leca lece leea leel lees lela lele lell lesa lese less llbs llcc llcs lles lllc llll lscb lscs lsea lses lsla lssa sa-c saab saac saae saal saas saba sabb sabc sabe sabs saca sacc sace sacs saeb sael saes sala salc sale sall sals sasa sasc sase sasl sass sbaa sbac sbas sbbs sbca sbcc sbcs sbsa sbse scaa scab scac scal scas scba sccc scce sccl sccs scea scec scee scel scl- sclc scls scsa scsc scsl se-c se-e se-s seaa seab seac seal seas seba sebe sebs sec- seca secc sece secs seea seeb seec seel sees sela selb sele sell sels sesa sesc sese sess slaa slab slac slae slas slcc slea sleb slee sles slsa slsc ssaa ssab ssac ssas ssca sscc ssce sscs ssec ssee sses ssla sslc ssle sssa sssb sssc ssss