a-a a-b a-c aaa aab aac aak aao aap aaw ab- aba abb abc abk abo abp abw ac- aca acb acc ack aco acp acw aka akb akc akk ako akp akw aoa aob aoc aok aoo aop aow ap- apa apb apc apk apo app apw aw- awa awb awc awk awo awp aww b-p baa bab bac bak bao bap baw bba bbb bbc bbk bbo bbp bbw bca bcb bcc bck bco bcp bka bkb bkc bkk bko bkp bkw boa bob boc bok boo bop bow bpa bpb bpc bpo bpp bpw bwa bwb bwc bwk bwo bwp c-- caa cab cac cak cao cap caw cba cbb cbc cbk cbo cbp cbw cca ccb ccc cck cco ccp ccw cka ckb ckc cko ckw co- coa cob coc cok coo cop cow cpa cpb cpc cpk cpo cpp cpw cw- cwa cwb cwc cwk cwo cwp ka- kaa kab kac kak kao kap kaw kba kbb kbc kbk kbo kbp kbw kca kcb kcc kck kcp kkb kkc kkk kkp koa kob koc kok koo kop kow kpa kpc kpk kpo kpp kpw kw- kwa kwc kwk kwo kwp kww oaa oab oac oak oao oap oaw ob- oba obb obc obk obo obp obw oc- oca ocb occ ock oco ocp ocw oka okb okc okk oko okp okw oo- ooa oob ooc ook ooo oop oow op- opa opb opc opk opo opp opw owa owb owc owk owo owp oww p-p paa pab pac pak pao pap paw pba pbb pbc pbk pbo pbp pbw pca pcb pcc pck pco pcp pcw pka pkb pkc pko pkp poa pob poc pok poo pop pow ppa ppb ppc ppk ppo ppp ppw pwa pwb pwc pwo pwp waa wab wac wak wao wap waw wba wbb wbc wbo wbw wca wcb wcc wck wco wcp wcw wka wkb wkc wko wkp wkw woa wob woc wok woo wop wow wpa wpb wpc wpk wpo wpp wwa wwc wwo wwp www

a-ak a-ok a-wa aaaa aaab aaac aaap aaba aabb aabc aabp aabw aaca aacb aacc aack aaco aacp aaka aaoo aaow aapa aapc aapo aaww abaa abab abac abak abap abaw abb- abba abbb abbo abca abcb abcc abcp abcw aboa abob abok aboo abow abpa abpc abpp abwa acaa acab acac acap acba acca accc acco accp ackw acoa acop acow acpa acwa acww akaa akao akap akca akka akko akok akpo akwa aoba aoca aokp aopo apac apak apao apap apaw apba apca apcb apcc apco apo- apoc apoo apop appa appc apwa awac awka awoo awow awpp awwa baaa baak baba babb babo bac- baca bacc back baco bak- baka bako bapa bapc bapp baw- bawk bbbb bbwc bcaa bcap bcbc bcbp bcca bccc bcpp boab boac boak boba bobb bobo bobw boca bock boco boka boko boob booc book boop boow bopa bopp bowa bowk bpcp bwaa bwoc c-bo caaa caab caac caap caba cabo cac- caca cacc cack caco cacw caka capa capb capc capo capp cawk cbac cbbc cbca cbcc cbcp cbka cbko cbpc cbpp cbwa ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccp cckw ccob ccoc ccow ccpa ccpp ckac ckbc ckck ckco ckcw ckoa ckob ckoc ckoo ckpc ckww coak coba cobb cobo coca cock coco cocp cok- coka coko coob cook coop copa copo copp cowp cpaa cpac cpap cpbc cpca cppa cwac kaaa kaab kaak kaap kaba kabb kabc kabo kabw kacb kacc kaco kacp kacw kaka kakc kakk kako kaoa kaoc kaok kaow kap- kapa kapc kapo kapp kapw kaw- kawa kawc kawk kawo kaww kbaa kbab kbac kbak kbap kbba kbbb kbbc kbbk kbbo kbbw kbca kbcb kbck kbco kbcw kbkb kbkk kbko kbkw kboa kbob kboc kbok kboo kbow kbpa kbpc kbpk kbpo kbwa kbwb kbwc kbww kcaa kcab kcac kcap kcaw kcba kcbc kcbk kcbw kcca kccb kccc kcck kckc kckk kcko kcob kcow kcpa kcpc kcpo kcwa kcwb kcwc kcwk kkaa kkac kkap kkaw kkba kkbb kkbo kkcb kkck kkco kkcw kkkk kkoa kkob kkoo kkow kkpc kkpk kkwb kkwk koab koac koak koap koba kobb kobc kobk kobo koca kocb kock kocp kocw koka kokb kokc kokk koko kokp koob kooc kook kooo koop kopa kopb kopp kopw kowa kowb kpac kpak kpao kpaw kpba kpbb kpcc kpcw kpkk kpoa kpob kpoc kpok kpoo kpop kpow kppc kppk kppo kppp kppw kpwb kpwk kpww kwab kwac kwak kwaw kwbc kwbp kwbw kwca kwck kwka kwkb kwkc kwkk kwkw kwoa kwoc kwok kwow kwpc kwpw kwwk obak obba obbo obkb obok ocab ocac ocak ocap ocbc occa occc ocpa ocpp okak okap okka okko okok okpo ooaa ooak ooba oooo opap opca opo- oppa oppo owow owwa paak paap paba paca pack paco paka pako paoc papa papb papp pawa pawb pawk pawo pbac pbcc pboc pbpa pbpk pcaa pcap pcba pcbc pcca pccc pccw pcoa pcpb pcpp poak poba pobo poca pock poco poka poko pook poop pop- popa popc popo popp powa powk powp ppac ppap ppcc ppoa pppa pppo pppp pwaa pwac pwba waaa waac waao waaw waba wabb wabc wabk wabo wabw waca wacb wacc wack waco wacp waka wakb wakk wako wakw waob waoc waok waoo waow wapa wapb wapk wapo wapp wapw wawa wawb wawc wawk wawo wbaa wbab wbac wbak wbap wbbb wbbk wbbo wbbp wbbw wbca wbcb wbck wbco wbcp wbcw wbka wbkb wbkk wbko wbkp wbkw wbob wboc wbok wbop wbow wbpc wbpw wbwb wbwc wbwo wcab wcao wcap wcba wcbc wcbw wcca wccb wccc wcck wcco wccp wccw wcka wckb wckk wckw wcoa wcob wcoc wcok wcoo wcop wcpa wcpb wcpc wcpk wcpo wcpp wcwa wcwb wcwc wcwp wkaa wkac wkak wkao wkba wkbc wkbk wkbo wkbw wkca wkcb wkco wkcw wkkb wkkc wkko wkkp wkkw wkoa wkoc wkok wkoo wkow wkpa wkpb wkpc wkpk wkpo wkpw wkwc woaa woab woak woap woba wobb wobc wobo woca wocb wocc woco woka wokb wokc wokk woko