a-a a-b a-c aaa aab aac aaj aao aas aaw ab- aba abb abc abj abo abs abw ac- aca acb acc acj aco acs acw aja ajb ajc ajj ajo ajs ajw aoa aob aoc aoj aoo aos aow as- asa asb asc asj aso ass asw aw- awa awb awc awj awo aws aww baa bab bac baj bao bas baw bba bbb bbc bbo bbs bbw bca bcb bcc bcj bco bcs bja bjc bjj bjs bjw boa bob boc boj boo bos bow bsa bsb bsc bsj bso bss bsw bwa bwb bwc bwj bwo bws c-- c-j caa cab cac caj cao cas caw cba cbb cbc cbj cbo cbs cbw cca ccb ccc ccj cco ccs ccw cja cjb cjc cjs co- coa cob coc coj coo cos cow csa csb csc csj cso css csw cw- cwa cwb cwc cwo cws jaa jab jac jaj jao jas jaw jba jbc jbj jbo jbs jbw jca jcb jcc jco jcs jcw jja jjb jjc jjj jjs joa job joc joj joo jos jow jsa jsb jsc jsj jso jss jsw jwa jwb jws oaa oab oac oaj oao oas oaw ob- oba obb obc obj obo obs obw oc- oca ocb occ ocj oco ocs ocw oja ojb ojc ojo ojs ojw oo- ooa oob ooc ooo oos oow os- osa osb osc osj oso oss osw owa owb owc owj owo ows oww saa sab sac saj sao sas saw sba sbb sbc sbj sbo sbs sbw sca scb scc scj sco scs scw sja sjb sjc sjj sjs sjw soa sob soc soj soo sos sow ss- ssa ssb ssc ssj sso sss ssw swa swb swc swo sws waa wab wac wao was waw wba wbb wbc wbo wbs wbw wca wcb wcc wcj wco wcs wcw wja wjc wjw woa wob woc woo wos wow wsa wsb wsc wsj wso wss wsw wwa wwc wwj wwo www