a-ak a-ha a-ok aaaa aaab aaac aaah aaas aaba aabb aabc aabh aaca aacb aacc aach aack aaco aacs aaha aahk aahs aaka aaoo aasa aasc aass abaa abab abac abak abas abb- abba abbb abbo abbs abca abcb abcc abch abcs abha abho abhs aboa abob aboh abok aboo abos abs- absa abss acaa acab acac acas acba acca accc acch acco accs acha achh acho achs acks acoa acoh acos acsa acsc acss ahab ahac ahah ahas ahha ahhs ahoa ahok ahsa ahso ahss akaa akah akao akas akca akha akhs akka akko akok akos aksa aoah aoba aoca aocs aoks aoss asaa asab asac asah asak asao asas asba asbo asc- asca ascb ascc asch asco asha ashk ashs aska asko asks asob asoc asok asos assa assc assh assk asso asss baaa baah baak baas baba babb babo babs bac- baca bacc bach back baco bacs baha baho bahs bak- baka bakh bako baks baoh baos basa basc bash bask baso bass bbas bbbb bbbs bbch bbhs bcaa bcas bcbc bcbs bcca bccc bccs bchs bcos bcsa bcsc bcss bhao bhca bhcc bhhs bkhs boab boac boak boas boba bobb bobo bobs boca boch bock boco bocs boha boho bohs boka boko boks boob booc booh book boos bosa bosc bosh bosk boso boss bsaa bsac bsas bscs bshs bsos bssc c-bo caaa caab caac caah caas caba cabo cabs cac- caca cacc cach cack caco caha cahs caka caos casa casb casc cash cask caso cass cbac cbbc cbbs cbca cbcc cbcs cbha cbhs cbka cbko cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs ccha cchs ccob ccoc ccsa ccss chaa chab chac chah chak chao chas chca chch chcs chha chhs chka chkb chks choc choh chok choo chos chsc chsh ckac ckbc ckch ckck ckco ckcs ckhs ckoa ckob ckoc ckoo ckos cksa cksb cksh ckso coak coas coba cobb cobh cobo cobs coca coch cock coco coha coho cohs cok- coka coko coob cooh cook coos cosa cosc cosh coso coss csaa csab csac csak csao csas cscb cscc csch csco cscs cshs cska csks csob csos cssa haab haak haas haba habo habs hack haco hacs haha haho hahs haka hakk hako haks hasa hasc hash hask hass hbbs hbhs hboc hbos hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcso hcss hhaa hhhh hhhs hkcc hkcs hoac hoas hoba hobo hobs hoca hoch hock hocs hoha hoho hoka hoko hoks hook hoos hosa hosh hoss hsac hsas hsbc hscc hshs hsob k-os kaaa kaab kaak kaas kaba kabb kabc kabo kacb kacc kach kaco kacs kaha kahc kaho kahs kaka kakc kakh kakk kako kaks kaoa kaoc kaok kaos kas- kasa kasb kasc kash kask kaso kass kbaa kbab kbac kbak kbas kbba kbbb kbbc kbbk kbbo kbbs kbca kbcb kbch kbck kbco kbcs kbhb kbhc kbhh kbhs kbkb kbkk kbko kboa kbob kboc kbok kboo kbos kbsa kbsb kbsk kbso kbss kcaa kcab kcac kcah kcas kcba kcbc kcbk kcbs kcca kccb kccc kcck kcha kchh kchk kcho kchs kckc kckk kcko kcob kcoh kcos kcsa kcsb kcsc kcss khab khac khak khao khas khbc khbs khca khcb khcc khch khck khcs khhk khho khhs khka khkk khks khoa khob khoc khok khss kkaa kkac kkba kkbb kkbo kkbs kkcb kkch kkck kkco kkcs kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo kksa kkss koab koac koak koas koba kobb kobc kobk kobo kobs koca kocb koch kock kocs koha kohh koho kohs koka kokb kokc kokh kokk koko koks koob kooc kook kooo koos kos- kosa kosb kosc kosh koso koss ksab ksac ksah ksak ksas ksba ksbc ksbh ksbs ksca kscb ksch ksck ksco kscs ksha kshb kshk ksho kshs kska kskb kskk ksko ksks ksob ksoc ksok ksoo ksos kssa ksso ksss oahs oaks oasc oass obak obas obba obbo obhs obkb obok obos obss ocab ocac ocak ocas ocbc occa occc ocha ochs ocks ocos ocsa ohba ohcc ohho ohhs ohob ohoh ohok ohos ohso ohss okak okas okha okka okko okok oksa okso ooaa ooak ooba ooha ooho oohs oooh oooo ooos oosa osak osas osba osca oscc osco osha oshc osho oshs osoo osos ossa ossb osso s-os sa-c saab saac saah saak saas saba sabb sabc sabo sabs saca sacc sack saco sacs saha sahk saho sahs saka sakb sakk sako saks saos sasa sasc sash sask saso sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhk sbhs sbsa scaa scab scac scak scas scba sccc sccs sch- scha schh scho schs sck- scob scoh scok scoo scsa scsc scsh scso shab shac shah shak shao shas shbs shca shcc shha shhh shhs shoa shok shoo shos shsc skab skac skhs skss soak soas soba sobo sobs soca soch sock soco socs soha sohh soho sohs soka sokk soko sook soos sosa sosh soso soss ssaa ssab ssac ssao ssas ssca sscc sscs sshs ssoc sssa sssb sssc sssh ssss