a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aaca aacb aacc aach aacs aagh aaha aahs aasa aasc aass abaa abab abac abag abas abb- abba abbb abbs abca abcb abcc abch abcs abha abhs abs- absa abss acaa acab acac acag acas acba acca accc acch accs acga acgs acha achh achs acsa acsc acss agac agag agas agba agca agcc agga agha aghs agsa agsg ahab ahac ahah ahas ahha ahhs ahsa ahss asaa asab asac asag asah asas asba asc- asca ascb ascc asch asha ashs assa assc assh asss baaa baah baas baba babb babs bac- baca bacc bach bacs baga bagg bagh bags baha bahs basa basc bash bass bbas bbbb bbbs bbch bbga bbhs bcaa bcas bcbc bcbg bcbs bcca bccc bccs bcgs bchs bcsa bcsc bcss bgca bggs bghs bhag bhca bhcc bhhs bsaa bsac bsas bscs bsgs bshs bssc caaa caab caac caah caas caba cabg cabs cac- caca cacc cach caga cagg cags caha cahs casa casb casc cash cass cbac cbbc cbbs cbca cbcc cbcs cbga cbgb cbha cbhs cbsa cbsc ccaa ccab ccac ccag ccas ccba ccbc ccca cccb cccc cccs ccga ccgc ccgs ccha cchs ccsa ccsg ccss cgac cgas cgcc cgcg cggs cghs cgsb cgsh cgss chaa chab chac chag chah chas chca chch chcs chgb chgs chha chhs chsc chsh csaa csab csac csas cscb cscc csch cscs csgh cshs cssa gaas gaba gabb gabs gach gaga gagg gags gaha gahs gasa gasb gasc gash gass gbag gbas gbbs gbhs gc-c gcaa gcbc gccc gccs gchs gcsh gcss gggg gghg ggss ghhs ghsa gsab gshs haab haag haas haba habs hacs hag- haga hagg hagh hags haha hahs hasa hasc hash hass hbag hbbs hbhs hbss hcbc hcbs hcca hccb hccc hcch hccs hcgh hchs hcsa hcsc hcss hgah hggc hghs hhaa hhgg hhhh hhhs hsac hsas hsbc hscc hshs sa-c saab saac saag saah saas saba sabb sabc sabs saca sacc sacs saga sagg sagh sags saha sahg sahs sasa sasc sash sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa scaa scab scac scag scas scba sccc sccs scgs sch- scha schh schs scsa scsc scsh sgaa sgac sgca sgcb sgcg sggg sggs sghc sghs sgsh sgss shab shac shag shah shas shbs shca shcc shga shgc shha shhh shhs shsc ssaa ssab ssac ssas ssca sscc sscs ssgs sshs sssa sssb sssc sssh ssss