a-a a-b a-c aaa aab aac aah aaj aak aao aas ab- aba abb abc abh abj abk abo abs ac- aca acb acc ach acj ack aco acs aha ahb ahc ahh ahj ahk aho ahs aja ajb ajc ajh ajj ajk ajo ajs aka akb akc akh akj akk ako aks aoa aob aoc aoh aoj aok aoo aos as- asa asb asc ash asj ask aso ass baa bab bac bah baj bak bao bas bba bbb bbc bbh bbk bbo bbs bca bcb bcc bch bcj bck bco bcs bha bhb bhc bhh bhj bhk bho bhs bja bjc bjj bjk bjs bka bkb bkc bkk bko bks boa bob boc boh boj bok boo bos bsa bsb bsc bsh bsj bsk bso bss c-- c-j caa cab cac cah caj cak cao cas cba cbb cbc cbh cbj cbk cbo cbs cca ccb ccc cch ccj cck cco ccs ch- cha chb chc chh chk cho chs cja cjb cjc cjk cjs cka ckb ckc ckh cko cks co- coa cob coc coh coj cok coo cos csa csb csc csh csj csk cso css haa hab hac hah haj hak hao has hba hbb hbc hbh hbj hbk hbo hbs hca hcb hcc hch hcj hck hco hcs hha hhb hhc hhh hhj hhk hho hhs hja hjk hjo hjs hka hkb hkh hkk hko hks hoa hob hoc hoh hok hoo hos hsa hsb hsc hsh hsj hsk hss jaa jab jac jah jaj jak jao jas jba jbc jbj jbk jbo jbs jca jcb jcc jch jck jco jcs jha jhc jhj jho jhs jja jjb jjc jjj jjk jjs jka jkb jkh jkk jko jks joa job joc joh joj jok joo jos jsa jsb jsc jsh jsj jsk jso jss ka- kaa kab kac kah kaj kak kao kas kba kbb kbc kbh kbk kbo kbs kca kcb kcc kch kck kcs kha khh khj khk kho khs kjb kjc kjs kkb kkc kkh kkk kks koa kob koc koh kok koo kos ksa ksb ksc ksh ksk kso kss oaa oab oac oah oaj oak oao oas ob- oba obb obc obh obj obk obo obs oc- oca ocb occ och ocj ock oco ocs oha ohc ohh oho ohs oja ojb ojc ojo ojs oka okb okc okj okk oko oks oo- ooa oob ooc ooh ook ooo oos os- osa osb osc osh osj osk oso oss saa sab sac sah saj sak sao sas sba sbb sbc sbh sbj sbk sbo sbs sca scb scc sch scj sck sco scs sh- sha shb shc shh shk sho shs sja sjb sjc sjh sjj sjk sjs sk- ska skb skc skh skj skk sko sks soa sob soc soh soj sok soo sos ss- ssa ssb ssc ssh ssj ssk sso sss

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 abaj abak abas abb- abba abbb abbo abbs abca abcb abcc abch abcs abha abho abhs abjs 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 ahja ahoa ahok ahsa ahso ahss ajab ajac ajah ajak ajao ajas ajba ajhs ajka ajob ajoo ajss 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 ascj asco asha ashk ashs asja 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 baja bajs 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 bjcc bjhs bjoa bkhs boab boac boak boas boba bobb bobo bobs boca boch bock boco bocs boha boho bohs bojo 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 caja caka caos casa casb casc cash cask caso cass cbac cbbc cbbs cbca cbcc cbcs cbha cbhs cbka cbkj cbko cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs ccha cchs ccjo ccob ccoc ccsa ccss chaa chab chac chah chaj chak chao chas chca chch chcs chha chhs chka chkb chks choc choh chok choo chos chsc chsh chsj cjbc cjbk cjca cjcb cjch cjcj cjcs cjhs cjob cjsb cjss ckac ckbc ckch ckck ckco ckcs ckhj ckhs ckjh ckjs ckoa ckob ckoc ckoo ckos cksa cksb cksh ckso coak coas coba cobb cobh cobo cobs coca coch cock coco coha coho cohs cojo 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 haja hajj hajo haka hakk hako haks hasa hasc hash hask hass hbbs hbhs hboc hbos hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcjb hcsa hcsc hcso hcss hhaa hhhh hhhs hjck hkcc hkcs hoac hoas hoba hobo hobs hoca hoch hock hocs hoha hoho hoja hojo hoka hoko hoks hook hoos hosa hosh hoss hsac hsas hsbc hscc hshs hsob jaak jaas jaba jabo jabs jaca jacc jack jaco jacs jaha jaja jaka jako jasa jasc jash jask jaso jass jbaa jbhs jbob jcbc jccc jchs jcss jhhs jhok jjcc jkcs joab joah joao joba jobo jobs joca joch jock joco joha joho jojo joka jokb jook