a-a a-b a-c aaa aab aac aah aas aaw ab- aba abb abc abh abs abw ac- aca acb acc ach acs acw aha ahb ahc ahh ahs ahw as- asa asb asc ash ass asw aw- awa awb awc awh aws aww baa bab bac bah bas baw bba bbb bbc bbh bbs bbw bca bcb bcc bch bcs bha bhb bhc bhh bhs bhw bsa bsb bsc bsh bss bsw bwa bwb bwc bwh bws c-- caa cab cac cah cas caw cba cbb cbc cbh cbs cbw cca ccb ccc cch ccs ccw ch- cha chb chc chh chs chw csa csb csc csh css csw cw- cwa cwb cwc cwh cws haa hab hac hah has haw hba hbb hbc hbh hbs hbw hca hcb hcc hch hcs hcw hha hhb hhc hhh hhs hhw hsa hsb hsc hsh hss hsw hw- hwa hwb hws hww saa sab sac sah sas saw sba sbb sbc sbh sbs sbw sca scb scc sch scs scw sh- sha shb shc shh shs ss- ssa ssb ssc ssh sss ssw swa swb swc swh sws waa wab wac wah was waw wba wbb wbc wbs wbw wca wcb wcc wch wcs wcw wh- wha whb whc whh whs whw wsa wsb wsc wsh wss wsw wwa wwc www