-ase a-be a-ha aaaa aaab aaac aaae aaah aaas aaba aabb aabc aabh aaca aacb aacc aace aach aacs aaea aaec aaes aaha aahs aasa aasc aase aass abaa abab abac abae abas abb- abba abbb abbe abbs abca abcb abcc abch abcs abec abee abes abha abhs abs- absa abse abss acaa acab acac acae acas acba acca accc acce acch accs ace- acea acec aceh aces acha ache achh achs acsa acsc acse acss aeac aeas aebs aecb aesc aess ahab ahac ahah ahas ahha ahhs ahsa ahse ahss asaa asab asac asae asah asas asba asc- asca ascb ascc asce asch asea asec asee aseh ases asha ashe ashs assa assc asse assh asss baaa baah baas baba babb babe babs bac- baca bacc bace bach bacs baes baha bahs basa basc base bash bass bbas bbbb bbbs bbch bbeb bbhs bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bche bchs bcsa bcsc bcss beah beas beba bebb bebe beca bech becs beeb bees behs bes- besa bese besh bess bhca bhcc bhhs bsaa bsac bsas bscs bsea bseb bsec bsee bses bshs bssc bsse caaa caab caac caah caas caba cabe cabs cac- caca cacc cace cach caec caes caha cahe cahs casa casb casc case cash cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbha cbhs cbsa cbsc cbse ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs ccee ccha cche cchs ccsa ccss ceac ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cehs cesa cesc cese cess chaa chab chac chae chah chas chca chce chch chcs chea cheb chec chee cheh ches chha chhs chsc chse chsh csaa csab csac csas cscb cscc csce csch cscs csea csec csee cseh cshs cssa csse eaba eabh eaca eacc each eaec eahs easa ease ebac ebba ebbc ebbs ebcc ebes ebhs ebsa ecaa ecac ecbc ecbe ecca eccb eccc ecce eces echa eche echs ecsa ecsc ecse ecss eeca eecs eeea eeee eees eehs eese ehaa ehcc ehea eheh ehhs esab esac esas esba esbs esca escb esce esch escs esea esee eses eshs essa esse essh haab haas haba habe habs hace hacs haec haes haha hahs hasa hasc hase hash hass hbbs hbes hbhs hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss heah heas hebb hebe heca hech hecs heeb hees hehe hehs hesa hesc hesh hess hhaa hhhh hhhs hsac hsas hsbc hscc hsea hses hshs hsse sa-c saab saac saae saah saas saba sabb sabc sabe sabs saca sacc sace sacs saeb saes saha sahe sahs sasa sasc sase sash sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa sbse scaa scab scac scas scba sccc scce sccs scea scec scee sch- scha sche schh schs scsa scsc scsh se-c se-e se-h se-s seaa seab seac seah seas seba sebe sebs sec- seca secc sece sech secs seea seeb seec seeh sees sehe sehs sesa sesc sese sesh sess shab shac shae shah shas shbs shca shcc she- shea sheb shee sheh shes shha shhh shhs shsc ssaa ssab ssac ssas ssca sscc ssce sscs ssec ssee sses sshs sssa sssb sssc sssh ssss