a-a a-b a-c aaa aab aac aak aao aap aas aay ab- aba abb abc abk abo abp abs aby ac- aca acb acc ack aco acp acs acy aka akb akc akk ako akp aks aoa aob aoc aok aoo aop aos ap- apa apb apc apk apo app aps apy as- asa asb asc ask aso asp ass asy ay- aya ayc ayk ayo ayp ays b-p baa bab bac bak bao bap bas bay bba bbb bbc bbk bbo bbp bbs bby bca bcb bcc bck bco bcp bcs bcy bka bkb bkc bkk bko bkp bks boa bob boc bok boo bop bos boy bpa bpb bpc bpo bpp bps bpy bsa bsb bsc bsk bso bsp bss bsy by- bya byc byk byo byp bys c-- caa cab cac cak cao cap cas cay cba cbb cbc cbk cbo cbp cbs cby cca ccb ccc cck cco ccp ccs cka ckb ckc cko cks cky co- coa cob coc cok coo cop cos coy cpa cpb cpc cpk cpo cpp cps csa csb csc csk cso csp css csy cya cyb cyc cyk cyo cyp cys ka- kaa kab kac kak kao kap kas kay kba kbb kbc kbk kbo kbp kbs kca kcb kcc kck kcp kcs kkb kkc kkk kkp kks kky koa kob koc kok koo kop kos koy kpa kpc kpk kpo kpp kps ksa ksb ksc ksk kso ksp kss kya kyc kyo kyp kys oaa oab oac oak oao oap oas ob- oba obb obc obk obo obp obs oby oc- oca ocb occ ock oco ocp ocs oka okb okc okk oko okp oks oo- ooa oob ooc ook ooo oop oos op- opa opb opc opk opo opp ops opy os- osa osb osc osk oso osp oss oya oyo oys p-p paa pab pac pak pao pap pas pay pba pbb pbc pbk pbo pbp pbs pby pca pcb pcc pck pco pcp pcs pka pkb pkc pko pkp pks pky poa pob poc pok poo pop pos poy ppa ppb ppc ppk ppo ppp pps ps- psa psb psc psk pso psp pss psy py- pya pyb pyc pyk pyo pys saa sab sac sak sao sap sas say sba sbb sbc sbk sbo sbp sbs sby sca scb scc sck sco scp scs sk- ska skb skc skk sko skp sks sky soa sob soc sok soo sop sos soy spa spb spc spk spo spp sps spy ss- ssa ssb ssc ssk sso ssp sss sy- sya syb syc syk syp sys yaa yab yac yak yao yap yas yay ybc ybp ybs yby yca ycc yco ycp ycs ycy yka ykk yob yoc yok yoo yop yos yoy ypa ypo yps ysa ysb ysc ysk yso ysp yss ysy yyb yyc yys yyy

a-ak a-ok a-ya a-yo aaaa aaab aaac aaap aaas aaba aabb aabc aabp aaby aaca aacb aacc aack aaco aacp aacs aacy aaka aaoo aapa aapc aapo aaps aasa aasc aass abaa abab abac abak abap abas abay abb- abba abbb abbo abbs abby abca abcb abcc abcp abcs aboa abob abok aboo abos aboy abpa abpc abpp abps abs- absa absp abss abyc abys abyy acaa acab acac acap acas acba acca accc acco accp accs accy acks acoa acop acos acoy acpa acps acsa acsc acss akaa akao akap akas akay akca akka akko akok akos akpo aksa aoba aoca aocs aokp aoks aopo aosp aoss apac apak apao apap apas apay apba apbs apca apcb apcc apco apcs apo- apoc apoo apop apos appa appc apps appy apsa apso apss asaa asab asac asak asao asap asas asay asba asbo asby asc- asca ascb ascc asco ascp aska asko asks asky asob asoc asok asop asos aspa aspc aspo asps aspy assa assc assk asso assp asss assy asya ay-o ayao ayas ayay ayca ayoo ayos ayya baaa baak baas baba babb babo babs baby bac- baca bacc back baco bacs bak- baka bako baks baos bapa bapc bapp baps basa basc bask baso bass baya bayo bays bbas bbay bbbb bbbs bboy bbyo bcaa bcap bcas bcbc bcbp bcbs bcca bccc bccs bcos bcpp bcps bcsa bcsc bcss bkcy bksp boab boac boak boas boba bobb bobo bobs boby boca bock boco bocs boka boko boks boob booc book boop boos bopa bopp bops bosa bosc bosk boso boss boya boyo boys bpay bpcp bpsa bsaa bsac bsap bsas bscp bscs bsos bspp bssc byas byck byoa byob byoc byop byos bysb byso bysp byss bysy c-bo caaa caab caac caap caas caba cabo cabs caby cac- caca cacc cack caco caka caky caos capa capb capc capo capp caps capy casa casb casc cask caso casp cass cayo cays cbac cbbc cbbs cbca cbcc cbcp cbcs cbka cbko cbpc cbpp cbsa cbsc ccaa ccab ccac ccap ccas ccba ccbc ccca cccb cccc cccp cccs ccob ccoc ccpa ccpp ccps ccsa ccsp ccss ckac ckbc ckck ckco ckcs ckcy ckoa ckob ckoc ckoo ckos ckoy ckpc cksa cksb ckso coak coas coba cobb cobo cobs coby coca cock coco cocp cok- coka coko coky coob cook coop coos copa copo copp cops copy cosa cosc coso cosp coss cosy coya coyo coys cpaa cpac cpap cpas cpbc cpca cpcs cpos cppa cpps cpsa cpsc cpsk cpso csaa csab csac csak csao csas cscb cscc csco cscs cska csks csob csos cspa cspb cspc csps cssa csys cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cycs cyoa cypa cypc cyps cyy- cyyc k-os kaaa kaab kaak kaap kaas kaay kaba kabb kabc kabo kaby kacb kacc kaco kacp kacs kacy kaka kakc kakk kako kaks kaoa kaoc kaok kaos kap- kapa kapc kapo kapp kaps kas- kasa kasb kasc kask kaso kasp kass kaya kayo kays kbaa kbab kbac kbak kbap kbas kbay kbba kbbb kbbc kbbk kbbo kbbs kbca kbcb kbck kbco kbcs kbcy kbkb kbkk kbko kbky kboa kbob kboc kbok kboo