a-a a-b a-c aaa aab aac aad aak aao aap aaw ab- aba abb abc abd abk abo abp abw ac- aca acb acc acd ack aco acp acw ad- ada adb adc add adk ado adp adw aka akb akc akd akk ako akp akw aoa aob aoc aod aok aoo aop aow ap- apa apb apc apd apk apo app apw aw- awa awb awc awd awk awo awp aww b-p baa bab bac bad bak bao bap baw bba bbb bbc bbd bbk bbo bbp bbw bca bcb bcc bcd bck bco bcp bda bdb bdc bdd bdk bdo bdp bdw bka bkb bkc bkk bko bkp bkw boa bob boc bod bok boo bop bow bpa bpb bpc bpd bpo bpp bpw bwa bwb bwc bwd bwk bwo bwp c-- caa cab cac cad cak cao cap caw cba cbb cbc cbd cbk cbo cbp cbw cca ccb ccc ccd cck cco ccp ccw cda cdb cdc cdd cdk cdo cdp cdw cka ckb ckc ckd cko ckw co- coa cob coc cod cok coo cop cow cpa cpb cpc cpd cpk cpo cpp cpw cw- cwa cwb cwc cwd cwk cwo cwp daa dab dac dad dak dao dap daw dba dbb dbc dbd dbk dbo dbp dca dcb dcc dcd dck dco dcp dcw dda ddb ddc ddd ddk ddo ddp ddw dka dkb dkc dkk dko dkp dkw doa dob doc dod dok doo dop dow dpa dpb dpc dpd dpk dpo dpp dpw dwa dwb dwc dwo dwp dww ka- kaa kab kac kad kak kao kap kaw kba kbb kbc kbd kbk kbo kbp kbw kca kcb kcc kcd kck kcp kda kdb kdc kdk kdo kdp kkb kkc kkk kkp koa kob koc kod kok koo kop kow kpa kpc kpd kpk kpo kpp kpw kw- kwa kwc kwd kwk kwo kwp kww oaa oab oac oad oak oao oap oaw ob- oba obb obc obd obk obo obp obw oc- oca ocb occ ocd ock oco ocp ocw oda odb odc odd odo odp oka okb okc okd okk oko okp okw oo- ooa oob ooc ood ook ooo oop oow op- opa opb opc opd opk opo opp opw owa owb owc owd owk owo owp oww p-p paa pab pac pad pak pao pap paw pba pbb pbc pbd pbk pbo pbp pbw pca pcb pcc pcd pck pco pcp pcw pda pdb pdc pdd pdk pdo pdp pka pkb pkc pkd pko pkp poa pob poc pod pok poo pop pow ppa ppb ppc ppd ppk ppo ppp ppw pwa pwb pwc pwd pwo pwp waa wab wac wad wak wao wap waw wba wbb wbc wbd wbo wbw wca wcb wcc wcd wck wco wcp wcw wda wdb wdc wdp wka wkb wkc wkd wko wkp wkw woa wob woc wod wok woo wop wow wpa wpb wpc wpd wpk wpo wpp wwa wwc wwd wwo wwp www

a-ak a-do a-ok a-wa aaaa aaab aaac aaad aaap aaba aabb aabc aabd aabp aabw aaca aacb aacc aacd aack aaco aacp aada aadc aaka aaoo aaow aapa aapc aapo aaww abaa abab abac abad abak abap abaw abb- abba abbb abbo abca abcb abcc abcd abcp abcw abda abdo aboa abob abod abok aboo abow abpa abpc abpd abpp abwa acaa acab acac acad acap acba acca accc accd acco accp acda acdb acdc acdp ackd ackw acoa acod acop acow acpa acpd acwa acww adaa adab adac adad adak adao adap adaw adba adbc adcc adda addc addd addo adob adoc adod adok adoo adp- adwa akaa akao akap akca akka akko akok akpo akwa aoba aoca aokp aopo aowd apac apak apao apap apaw apba apca apcb apcc apcd apco apda apdd apo- apoc apod apoo apop appa appc appd apwa awac awad awka awoo awow awpp awwa baaa baad baak baba babb babo bac- baca bacc back baco bada badb badd bado bak- baka bako bapa bapc bapp baw- bawd bawk bbad bbbb bbdd bbdo bbwc bcaa bcap bcbc bcbp bcca bccc bcda bcpp bdbc bddc bdpc boab boac boad boak boba bobb bobo bobw boca bock boco boda bodb bodo boka boko boob booc bood book boop boow bopa bopp bowa bowd bowk bpcp bpda bwaa bwoc c-bo c-cd caaa caab caac caap caba cabo cac- caca cacc cack caco cacw cada cadc cadd cado cadw caka caod capa capb capc capd capo capp cawk cbac cbbc cbca cbcc cbcp cbdb cbdc cbdo cbka cbko cbpc cbpp cbwa cbwd ccaa ccab ccac ccad ccap ccba ccbc ccca cccb cccc cccp ccdc ccdp cckw ccob ccoc ccod ccow ccpa ccpp cdaa cdac cdad cdba cdda cddb ckac ckbc ckck ckco ckcw ckdo ckoa ckob ckoc ckoo ckpc ckwd ckww coad coak coba cobb cobo coca cock coco cocp coda codd cok- coka coko coob cood cook coop copa copd copo copp cowd cowp cpaa cpac cpad cpap cpbc cpca cppa cppd cwac d-bo daab daad daap daba dabb dabo dabp daca dada dado daka dako dapa dapp dawa dawd dawk dawo dbcc dbcp dbpc dbpd dcbc dcca dccb dccc dccp dcdb dcop dcpo dddd ddoc ddpo dkba dkdc doab doak doap doba dobb doca dock doco dod- doda dodd dodo doka doko doob dood dook doop dopa dopo dopp dowa dowb dowd dowk dowp dpaa dpac dpbc dpcp dppa dppc dwac dwad dwcw dwdd dwkc dwok dwww kaaa kaab kaak kaap kaba kabb kabc kabd kabo kabw kacb kacc kacd kaco kacp kacw kad- kada kadd kado kaka kakc kakk kako kaoa kaoc kaok kaow kap- kapa kapc kapo kapp kapw kaw- kawa kawc kawk kawo kaww kbaa kbab kbac kbad kbak kbap kbba kbbb kbbc kbbd kbbk kbbo kbbw kbca kbcb kbck kbco kbcw kbdb kbdo kbkb kbkk kbko kbkw kboa kbob kboc kbod kbok kboo kbow kbpa kbpc kbpk kbpo kbwa kbwb kbwc kbwd kbww kcaa kcab kcac kcad kcap kcaw kcba kcbc kcbd kcbk kcbw kcca kccb kccc kccd kcck