a-ak a-ya aaaa aaab aaac aaas aaba aabb aabc aaby aaca aacb aacc aack aacs aacy aaka aasa aasc aass abaa abab abac abak abas abay abb- abba abbb abbs abby abca abcb abcc abcs abs- absa abss abyc abys abyy acaa acab acac acas acba acca accc accs accy acks acsa acsc acss akaa akas akay akca akka aksa asaa asab asac asak asas asay asba asby asc- asca ascb ascc aska asks asky assa assc assk asss assy asya ayas ayay ayca ayya baaa baak baas baba babb babs baby bac- baca bacc back bacs bak- baka baks basa basc bask bass baya bays bbas bbay bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcsa bcsc bcss bkcy bsaa bsac bsas bscs bssc byas byck bysb byss bysy caaa caab caac caas caba cabs caby cac- caca cacc cack caka caky casa casb casc cask cass cays cbac cbbc cbbs cbca cbcc cbcs cbka cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs ccsa ccss ckac ckbc ckck ckcs ckcy cksa cksb csaa csab csac csak csas cscb cscc cscs cska csks cssa csys cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycs cyy- cyyc kaaa kaab kaak kaas kaay kaba kabb kabc kaby kacb kacc kacs kacy kaka kakc kakk kaks kas- kasa kasb kasc kask kass kaya kays kbaa kbab kbac kbak kbas kbay kbba kbbb kbbc kbbk kbbs kbca kbcb kbck kbcs kbcy kbkb kbkk kbky kbsa kbsb kbsk kbss kbsy kbya kbyb kbys kcaa kcab kcac kcas kcba kcbc kcbk kcbs kcca kccb kccc kcck kccy kckc kckk kcky kcsa kcsb kcsc kcss kcsy kcya kcyk kcys kcyy kkaa kkac kkay kkba kkbb kkbs kkcb kkck kkcs kkcy kkkk kksa kkss kkya kkyc kkys kkyy ksab ksac ksak ksas ksba ksbc ksbs ksby ksca kscb ksck kscs kscy kska kskb kskk ksks ksky kssa ksss ksyc ksyy kyaa kyak kyay kyba kybb kybc kyby kyca kycc kyck kycs kyka kykc kykk kyks kyky kysa kysc kysk kyya kyyk kyys kyyy sa-c saab saac saak saas saba sabb sabc sabs saca sacc sack sacs sacy saka sakb sakk saks saky sasa sasc sask sass saya says sbaa sbac sbas sbbs sbca sbcc sbcs sbsa scaa scab scac scak scas scay scba sccc sccs sccy sck- scsa scsc skab skac skss sky- skys skyy ssaa ssab ssac ssas ssby ssca sscc sscs sssa sssb sssc ssss syck syss syyk yaak yaas yaba yacc yack yacy yaka yaks yasa yask yass yaya yays ybas ybbs ycab yccc ycsb yksc ysay ysby ysyb yyyy