a-a a-b a-c aaa aab aac aaj aak aan aao aas ab- aba abb abc abj abk abn abo abs ac- aca acb acc acj ack acn aco acs aja ajb ajc ajj ajk ajn ajo ajs aka akb akc akj akk akn ako aks an- ana anb anc anj ank ann ano ans aoa aob aoc aoj aok aon aoo aos as- asa asb asc asj ask asn aso ass baa bab bac baj bak ban bao bas bba bbb bbc bbk bbn bbo bbs bca bcb bcc bcj bck bcn bco bcs bja bjc bjj bjk bjn bjs bka bkb bkc bkk bkn bko bks bna bnb bnc bnj bnk bnn bno bns boa bob boc boj bok bon boo bos bsa bsb bsc bsj bsk bsn bso bss c-- c-j caa cab cac caj cak can cao cas cba cbb cbc cbj cbk cbn cbo cbs cca ccb ccc ccj cck ccn cco ccs cja cjb cjc cjk cjs cka ckb ckc cko cks cn- cna cnb cnc cnj cnn cno cns co- coa cob coc coj cok con coo cos csa csb csc csj csk csn cso css jaa jab jac jaj jak jan jao jas jba jbc jbj jbk jbo jbs jca jcb jcc jck jco jcs jja jjb jjc jjj jjk jjs jka jkb jkk jkn jko jks jna jnc jnj jnn jno jns joa job joc joj jok jon joo jos jsa jsb jsc jsj jsk jsn jso jss ka- kaa kab kac kaj kak kan kao kas kba kbb kbc kbk kbn kbo kbs kca kcb kcc kck kcn kcs kjb kjc kjs kkb kkc kkk kkn kks kn- kna knc knk knn kno koa kob koc kok kon koo kos ksa ksb ksc ksk ksn kso kss naa nab nac naj nak nan nao nas nba nbb nbc nbk nbn nbo nbs nca ncb ncc nck ncn nco ncs nja njc njk njn njs nka nkc nkj nkk nkn nko nks nna nnb nnc nnk nnn nno nns no- noa nob noc noj nok non noo nos nsa nsb nsc nsk nsn nso nss oaa oab oac oaj oak oan oao oas ob- oba obb obc obj obk obn obo obs oc- oca ocb occ ocj ock ocn oco ocs oja ojb ojc ojo ojs oka okb okc okj okk oko oks on- ona onb onc onj onk onn ono ons oo- ooa oob ooc ook oon ooo oos os- osa osb osc osj osk osn oso oss saa sab sac saj sak san sao sas sba sbb sbc sbj sbk sbn sbo sbs sca scb scc scj sck scn sco scs sja sjb sjc sjj sjk sjs sk- ska skb skc skj skk sko sks sna snb snc snj snk snn sno sns soa sob soc soj sok son soo sos ss- ssa ssb ssc ssj ssk ssn sso sss

-ana a-ak a-ok aaaa aaab aaac aaan aaas aaba aabb aabc aaca aacb aacc aack aacn aaco aacs aaka aana aaon aaoo aasa aasc aass abaa abab abac abaj abak aban abas abb- abba abbb abbo abbs abca abcb abcc abcn abcs abjs aboa abob abok abon aboo abos abs- absa abss acaa acab acac acan acas acba acca accc acco accs acks acoa acon acos acsa acsc acss ajab ajac ajak ajan ajao ajas ajba ajka ajna ajob ajon ajoo ajss akaa akan akao akas akca akka akko akna akok akon akos aksa ana- anaa anab anac anak anan anao anas anba anbb anbo anca ancc anco anja anjo ank- anka anko anna annb anno anns ano- anoa anon anos ansa anso aoba aoca aocs aoks aonb aono aoss asaa asab asac asak asan asao asas asba asbo asc- asca ascb ascc ascj asco asja aska asko asks asnc asno asob asoc asok ason asos assa assc assk assn asso asss baaa baak baan baas baba babb babo babs bac- baca bacc back bacn baco bacs baja bajs bak- baka bako baks bana banc banj bank bann bano bans baon baos basa basc bask baso bass bbas bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcos bcsa bcsc bcsn bcss bjcc bjoa bnas bnoc bnss boab boac boak boan boas boba bobb bobo bobs boca bock boco bocs bojo boka bokn boko boks bona bonc bonk bonn bono bons boob booc book boon boos bosa bosc bosk bosn boso boss bsaa bsac bsas bscs bsns bson bsos bssc c-bo caaa caab caac caan caas caba cabo cabs cac- caca cacc cack caco caja caka cana canc cank cann cano cans caos casa casb casc cask caso cass cbac cbbc cbbs cbca cbcc cbcn cbcs cbka cbkj cbkn cbko cbna cbsa cbsc cbsn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs ccjo ccna ccnb ccnc ccns ccob ccoc ccsa ccsn ccss cjan cjbc cjbk cjca cjcb cjcj cjcs cjnb cjob cjon cjsb cjsn cjss ckac ckan ckbc ckck ckco ckcs ckjs cknb cknc ckns ckoa ckob ckoc ckoo ckos cksa cksb ckso cnaa cnac cnas cnbc cnco cnna cnnj cnsa cnss coak coan coas coba cobb cobo cobs coca cock coco cojo cok- coka coko con- cona conc conj conk conn cono cons coob cook coon coos cosa cosc coso coss csaa csab csac csak csao csas cscb cscc csco cscs cska csks csob csos cssa jaak jaan jaas jaba jabo jabs jaca jacc jack jaco jacs jaja jaka jako jana jank jann jano jans jaon jasa jasc jask jasn jaso jass jbaa jbob jcbc jccc jcss jjcc jkcs jnco joab joan joao joba jobo jobs joca jock joco jojo joka jokb jona jonk jonn jono jons jook joon joos josa joso joss json jsss k-os kaaa kaab kaak kaan kaas kaba kabb kabc kabo kacb kacc kaco kacs kaja kajb kajc kajk kajn kajo kaka kakc kakj kakk kakn kako kaks kana kanb kanj kann kano kans kaoa kaoc kaok kaon kaos kas- kasa kasb kasc kask kasn kaso kass kbaa kbab kbac kbak kbas