-ase aaaa aaac aaae aaas aaca aacc aace aacs aaea aaec aaes aage aasa aasc aase aass acaa acac acae acag acas acca accc acce accs ace- acea acec aces acga acgs acsa acsc acse acss aeac aeas aega aesc aess agac agag agas agca agcc agce agea agee ages agga agge agsa agsg asaa asac asae asag asas asc- asca ascc asce asea asec asee ases asge assa assc asse asss caaa caac caas cac- caca cacc cace caec caes caga cage cagg cags casa casc case cass ccaa ccac ccag ccas ccca cccc cccs ccee ccga ccgc ccgs ccsa ccsg ccss ceac ceas cec- ceca cece cecs ceec cees cege cesa cesc cese cesg cess cgac cgas cgcc cgcg cges cggs cgss csaa csac csas cscc csce cscs csea csec csee cssa csse eaca eacc eaec eaga eage easa ease ecaa ecac ecca eccc ecce eces ecgs ecsa ecsc ecse ecss eeca eecs eeea eeee eees eega eegs eese egaa egae egas egcc egcg egea egec egee egge eggs egsc egss esac esag esas esca esce escs esea esee eses essa esse essg gaas gace gaea gaec gaes gaga gage gagg gags gasa gasc gase gass gc-c gcaa gccc gccs gcse gcss geas geca gece gees gege gegg gesg gess gggg ggss gsea gsse sa-c saac saae saag saas saca sacc sace sacs saes saga sage sagg sags sasa sasc sase sass scaa scac scag scas sccc scce sccs scea scec scee sceg scgs scsa scsc se-c se-e se-g se-s seaa seac seas sec- seca secc sece secg secs seea seec seeg sees sega sege segg segs sesa sesc sese sess sgaa sgac sgca sgce sgcg sges sggg sggs sgss ssaa ssac ssas ssca sscc ssce sscs ssec ssee sses ssgs sssa sssc ssss