a-a a-b a-c aaa aab aac aah aao aar aas aaw ab- aba abb abc abh abo abr abs abw ac- aca acb acc ach aco acr acs acw aha ahb ahc ahh aho ahr ahs ahw aoa aob aoc aoh aoo aor aos aow ar- ara arb arc arh aro arr ars arw as- asa asb asc ash aso asr ass asw aw- awa awb awc awh awo awr aws aww baa bab bac bah bao bar bas baw bba bbb bbc bbh bbo bbr bbs bbw bca bcb bcc bch bco bcr bcs bha bhb bhc bhh bho bhr bhs bhw boa bob boc boh boo bor bos bow bra brb brh bro brr brs brw bsa bsb bsc bsh bso bsr bss bsw bwa bwb bwc bwh bwo bwr bws c-- caa cab cac cah cao car cas caw cba cbb cbc cbh cbo cbr cbs cbw cca ccb ccc cch cco ccr ccs ccw ch- cha chb chc chh cho chr chs chw co- coa cob coc coh coo cor cos cow cra crb crc crh cro crr crs crw csa csb csc csh cso csr css csw cw- cwa cwb cwc cwh cwo cwr cws haa hab hac hah hao har has haw hba hbb hbc hbh hbo hbr hbs hbw hca hcb hcc hch hco hcr hcs hcw hha hhb hhc hhh hho hhr hhs hhw hoa hob hoc hoh hoo hor hos how hr- hra hrb hrc hrh hro hrr hrs hrw hsa hsb hsc hsh hsr hss hsw hw- hwa hwb hwo hwr hws hww oaa oab oac oah oao oar oas oaw ob- oba obb obc obh obo obr obs obw oc- oca ocb occ och oco ocr ocs ocw oha ohc ohh oho ohr ohs oo- ooa oob ooc ooh ooo oor oos oow or- ora orb orc orh oro orr ors os- osa osb osc osh oso osr oss osw owa owb owc owh owo ows oww ra- raa rab rac rah rao rar ras raw rba rbb rbc rbh rbo rbr rbs rbw rca rcb rcc rch rco rcr rcs rcw rh- rha rhb rhc rhh rho rhr rhs roa rob roc roh roo ror ros row rra rrb rrc rrh rrr rrs rsa rsb rsc rsh rso rsr rss rsw rwa rwb rwc rwh rwr rws saa sab sac sah sao sar sas saw sba sbb sbc sbh sbo sbr sbs sbw sca scb scc sch sco scr scs scw sh- sha shb shc shh sho shr shs soa sob soc soh soo sor sos sow sr- sra srb src srh sro srr srs srw ss- ssa ssb ssc ssh sso ssr sss ssw swa swb swc swh swo swr sws waa wab wac wah wao war was waw wba wbb wbc wbo wbr wbs wbw wca wcb wcc wch wco wcr wcs wcw wh- wha whb whc whh who whr whs whw woa wob woc woh woo wor wos wow wr- wra wrc wrh wro wrr wrs wrw wsa wsb wsc wsh wso wsr wss wsw wwa wwc wwo www

a-ha a-wa aaaa aaab aaac aaah aaar aaas aaba aabb aabc aabh aabw aaca aacb aacc aach aaco aacr aacs aaha aahs aaoo aaow aara aarc aaro aars aasa aasc aass aaww abaa abab abac abar abas abaw abb- abba abbb abbo abbr abbs abca abcb abcc abch abcr abcs abcw abha abho abhr abhs aboa abob aboh aboo abor abos abow abra abrc abro abrs abs- absa abss absw abwa abwh abwr acaa acab acac acar acas acba acca accc acch acco accs acha achh acho achr achs acoa acoh acor acos acow acr- acra acrc acro acrr acrs acsa acsc acss acsw acwa acww ahab ahac ahah ahar ahas ahha ahhs ahoa ahor ahra ahrc ahrr ahrs ahsa ahso ahss ahwa aoah aoba aoca aocs aora aorb aors aoss arab arac arah arar aras araw arba arbh arbs arc- arca arch arco arcs arh- arhs aroa arob aroo aror aros arow arr- arra arrc arrh arro arrr arrs ars- arsa arsc arso arwa asaa asab asac asah asao asar asas asba asbo asc- asca ascb ascc asch asco ascr ascw asha ashs asob asoc asor asos asow asra asrc asro asrs assa assc assh asso assr asss aswh awac awar awas awho awhs awoo awow awro awss awwa awws baaa baah baar baas baba babb babo babr babs bac- baca bacc bach baco bacs baha baho bahr bahs baoh baos bar- bara barb barc barh baro barr bars basa basc bash baso bass baw- baws bbas bbbb bbbs bbch bbhs bbrc bbwc bbwr bbws bcaa bcar bcas bcbc bcbs bcca bccc bccs bchs bcor bcos bcra bcrs bcsa bcsc bcss bhao bhar bhca bhcc bhhs bhor bhra boab boac boar boas boba bobb bobo bobs bobw boca boch boco bocs boha boho bohr bohs bohw boob booc booh boor boos boow bor- bora borh boro borr bors borw bosa bosc bosh boso boss bowa bowr bows brab brac brah brao bras braw brca brcb brcw brhs broa brob broc broh broo bror bros brow brrr brrs brsb brsr bsaa bsac bsas bsaw bscs bshs bsos bsra bssc bwaa bwhs bwoc c-bo caaa caab caac caah caas caba cabo cabs cac- caca cacc cach caco cacr cacw caha cahs caor caos cara carb carc caro carr cars casa casb casc cash caso casr cass caws cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbha cbhs cbrh cbsa cbsc cbwa ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs ccha cchr cchs ccob ccoc ccow ccra ccrc ccrs ccsa ccss chaa chab chac chah chao char chas chaw chca chch chcs chha chhs choc choh choo chor chos chow chra chrb chrc chro chrr chrs chrw chsc chsh chsr chsw chwo coas coba cobb cobh cobo cobs coca coch coco coha coho cohs coob cooh coos cor- cora corb corc coro corr cors cosa cosc cosh coso coss cowh cows crab crac crar cras