a-a a-b a-c aaa aab aac aad aak aao aar aas aaw ab- aba abb abc abd abk abo abr abs abw ac- aca acb acc acd ack aco acr acs acw ad- ada adb adc add adk ado adr ads adw aka akb akc akd akk ako akr aks akw aoa aob aoc aod aok aoo aor aos aow ar- ara arb arc ard ark aro arr ars arw as- asa asb asc asd ask aso asr ass asw aw- awa awb awc awd awk awo awr aws aww baa bab bac bad bak bao bar bas baw bba bbb bbc bbd bbk bbo bbr bbs bbw bca bcb bcc bcd bck bco bcr bcs bda bdb bdc bdd bdk bdo bdr bds bdw bka bkb bkc bkk bko bkr bks bkw boa bob boc bod bok boo bor bos bow bra brb brd brk bro brr brs brw bsa bsb bsc bsd bsk bso bsr bss bsw bwa bwb bwc bwd bwk bwo bwr bws c-- caa cab cac cad cak cao car cas caw cba cbb cbc cbd cbk cbo cbr cbs cbw cca ccb ccc ccd cck cco ccr ccs ccw cda cdb cdc cdd cdk cdo cdr cds cdw cka ckb ckc ckd cko cks ckw co- coa cob coc cod cok coo cor cos cow cra crb crc crd crk cro crr crs crw csa csb csc csd csk cso csr css csw cw- cwa cwb cwc cwd cwk cwo cwr cws daa dab dac dad dak dao dar das daw dba dbb dbc dbd dbk dbo dbr dbs dca dcb dcc dcd dck dco dcr dcs dcw dda ddb ddc ddd ddk ddo ddr dds ddw dka dkb dkc dkk dko dkr dks dkw doa dob doc dod dok doo dor dos dow dra drb drc drd drk dro drr drs drw dsa dsb dsc dsd dsk dso dsr dss dsw dwa dwb dwc dwo dwr dws dww ka- kaa kab kac kad kak kao kar kas kaw kba kbb kbc kbd kbk kbo kbr kbs kbw kca kcb kcc kcd kck kcr kcs kda kdb kdc kdk kdo kdr kds kkb kkc kkk kkr kks koa kob koc kod kok koo kor kos kow kra krc krd krk kro krr krs krw ksa ksb ksc ksd ksk kso ksr kss ksw kw- kwa kwc kwd kwk kwo kws kww oaa oab oac oad oak oao oar oas oaw ob- oba obb obc obd obk obo obr obs obw oc- oca ocb occ ocd ock oco ocr ocs ocw oda odb odc odd odo odr ods oka okb okc okd okk oko okr oks okw oo- ooa oob ooc ood ook ooo oor oos oow or- ora orb orc ord ork oro orr ors os- osa osb osc osd osk oso osr oss osw owa owb owc owd owk owo ows oww ra- raa rab rac rad rak rao rar ras raw rba rbb rbc rbd rbk rbo rbr rbs rbw rca rcb rcc rcd rco rcr rcs rcw rda rdb rdc rdd rdo rdr rds rkb rkc rkk rko rks roa rob roc rod rok roo ror ros row rra rrb rrc rrd rrk rrr rrs rsa rsb rsc rsd rsk rso rsr rss rsw rwa rwb rwc rwd rwr rws saa sab sac sad sak sao sar sas saw sba sbb sbc sbd sbk sbo sbr sbs sbw sca scb scc scd sck sco scr scs scw sda sdb sdc sdd sdk sdo sdr sds sdw sk- ska skb skc skd skk sko skr sks skw soa sob soc sod sok soo sor sos sow sr- sra srb src srd srk sro srr srs srw ss- ssa ssb ssc ssd ssk sso ssr sss ssw swa swb swc swd swk swo swr sws waa wab wac wad wak wao war was waw wba wbb wbc wbd wbo wbr wbs wbw wca wcb wcc wcd wck wco wcr wcs wcw wda wdb wdc wdr wds wka wkb wkc wkd wko wkr wks wkw woa wob woc wod wok woo wor wos wow wr- wra wrc wrd wrk wro wrr wrs wrw wsa wsb wsc wsd wsk wso wsr wss wsw wwa wwc wwd wwo www

a-ak a-do a-ok a-wa aaaa aaab aaac aaad aaar aaas aaba aabb aabc aabd aabw aaca aacb aacc aacd aack aaco aacr aacs aada aadc aads aaka aaoo aaow aara aarc aard aaro aars aasa aasc aasd aass aaww abaa abab abac abad abak abar abas abaw abb- abba abbb abbo abbr abbs abca abcb abcc abcd abcr abcs abcw abda abdo aboa abob abod abok aboo abor abos abow abra abrc abro abrs abs- absa absd abss absw abwa abwr acaa acab acac acad acar acas acba acca accc accd acco accs acda acdb acdc acds ackd acks ackw acoa acod acor acos acow acr- acra acrc acro acrr acrs acsa acsc acsd acss acsw acwa acww adaa adab adac adad adak adao adar adas adaw adba adbc adcc adcs adda addc addd addo addr adds adob adoc adod adok adoo ador ados adra adro adrs adsa adso adsr adss adwa akaa akao akar akas akca akka akko akok akos akr- akra aksa akwa aoba aoca aocs aoks aora aorb aors aosd aoss aowd arab arac arad arak arar aras araw arba arbs arc- arca arco arcs arda ardc ardo ards arka arko arks aroa arob arod aroo aror aros arow arr- arra arrc arrk arro arrr arrs ars- arsa arsc arsd arsk arso arwa asaa asab asac asad asak asao asar asas asba asbo asc- asca ascb ascc asco ascr ascw asda asdo asds aska asko askr asks asob asoc asod asok asor asos asow asra asrc asro asrs assa assc assd assk asso assr asss awac awad awar awas awds awka awoo awow awro awsk awss awwa awws baaa baad baak baar baas baba babb babo babr babs bac- baca bacc back baco bacs bada badb badd bado badr bads bak- baka bako bakr