a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aaca aacb aacc aach aaco aacs aaha aahs aaoo aasa aasc aass abaa abab abac abaj abas abb- abba abbb abbo abbs abca abcb abcc abch abcs abha abho abhs abjs aboa abob aboh aboo abos abs- absa abss acaa acab acac acas acba acca accc acch acco accs acha achh acho achs acoa acoh acos acsa acsc acss ahab ahac ahah ahas ahha ahhs ahja ahoa ahsa ahso ahss ajab ajac ajah ajao ajas ajba ajhs ajob ajoo ajss aoah aoba aoca aocs aoss asaa asab asac asah asao asas asba asbo asc- asca ascb ascc asch ascj asco asha ashs asja asob asoc asos assa assc assh asso asss baaa baah baas baba babb babo babs bac- baca bacc bach baco bacs baha baho bahs baja bajs baoh baos basa basc bash baso bass bbas bbbb bbbs bbch bbhs bcaa bcas bcbc bcbs bcca bccc bccs bchs bcos bcsa bcsc bcss bhao bhca bhcc bhhs bjcc bjhs bjoa boab boac boas boba bobb bobo bobs boca boch boco bocs boha boho bohs bojo boob booc booh boos bosa bosc bosh boso boss bsaa bsac bsas bscs bshs bsos bssc c-bo caaa caab caac caah caas caba cabo cabs cac- caca cacc cach caco caha cahs caja caos casa casb casc cash caso cass cbac cbbc cbbs cbca cbcc cbcs cbha cbhs cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs ccha cchs ccjo ccob ccoc ccsa ccss chaa chab chac chah chaj chao chas chca chch chcs chha chhs choc choh choo chos chsc chsh chsj cjbc cjca cjcb cjch cjcj cjcs cjhs cjob cjsb cjss coas coba cobb cobh cobo cobs coca coch coco coha coho cohs cojo coob cooh coos cosa cosc cosh coso coss csaa csab csac csao csas cscb cscc csch csco cscs cshs csob csos cssa haab haas haba habo habs haco hacs haha haho hahs haja hajj hajo hasa hasc hash hass hbbs hbhs hboc hbos hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcjb hcsa hcsc hcso hcss hhaa hhhh hhhs hoac hoas hoba hobo hobs hoca hoch hocs hoha hoho hoja hojo hoos hosa hosh hoss hsac hsas hsbc hscc hshs hsob jaas jaba jabo jabs jaca jacc jaco jacs jaha jaja jasa jasc jash jaso jass jbaa jbhs jbob jcbc jccc jchs jcss jhhs jjcc joab joah joao joba jobo jobs joca joch joco joha joho jojo joos josa josh joso joss jsss oahs oasc oass obas obba obbo obhs obja obos obss ocab ocac ocas ocbc occa occc ocha ochs ocos ocsa ohba ohcc ohho ohhs ohob ohoh ohos ohso ohss ojas ojha ojos ooaa ooba ooha ooho oohs oooh oooo ooos oosa osas osba osca oscc osco osha oshc osho oshs osoo osos ossa ossb osso s-os sa-c saab saac saah saaj saas saba sabb sabc sabo sabs saca sacc saco sacs saha saho sahs saja saos sasa sasc sash saso sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa scaa scab scac scas scba sccc sccs sch- scha schh scho schs scob scoh scoo scsa scsc scsh scso shab shac shah shaj shao shas shbs shca shcc shha shhh shhs shoa shoo shos shsc sjab sjac sjcc sjcs sjhs sjoa soas soba sobo sobs soca soch soco socs soha sohh soho sohs soja soos sosa sosh soso soss ssaa ssab ssac ssao ssas ssca sscc sscs sshs ssoc sssa sssb sssc sssh ssss