a-a a-b a-c aaa aab aac aae aah aas aaw ab- aba abb abc abe abh abs abw ac- aca acb acc ace ach acs acw aea aeb aec aee aeh aes aew aha ahb ahc ahe ahh ahs ahw as- asa asb asc ase ash ass asw aw- awa awb awc awe awh aws aww baa bab bac bae bah bas baw bba bbb bbc bbe bbh bbs bbw bca bcb bcc bce bch bcs be- bea beb bec bee beh bes bew bha bhb bhc bhe bhh bhs bhw bsa bsb bsc bse bsh bss bsw bwa bwb bwc bwh bws c-- caa cab cac cae cah cas caw cba cbb cbc cbe cbh cbs cbw cca ccb ccc cce cch ccs ccw ce- cea ceb cec cee ceh ces cew ch- cha chb chc che chh chs chw csa csb csc cse csh css csw cw- cwa cwb cwc cwe cwh cws eaa eab eac eae eah eas eaw eba ebb ebc ebe ebh ebs ebw ec- eca ecb ecc ece ech ecs ecw eea eeb eec eee ees eew eha ehb ehc ehe ehh ehs es- esa esb esc ese esh ess esw ewa ewb ewc ewe ews eww haa hab hac hae hah has haw hba hbb hbc hbe hbh hbs hbw hca hcb hcc hce hch hcs hcw he- hea heb hec hee heh hes hew hha hhb hhc hhe hhh hhs hhw hsa hsb hsc hse hsh hss hsw hw- hwa hwb hwe hws hww saa sab sac sae sah sas saw sba sbb sbc sbe sbh sbs sbw sca scb scc sce sch scs scw se- sea seb sec see seh ses sew sh- sha shb shc she shh shs ss- ssa ssb ssc sse ssh sss ssw swa swb swc swe swh sws waa wab wac wae wah was waw wba wbb wbc wbe wbs wbw wca wcb wcc wce wch wcs wcw wea web wec wee weh wes wew wh- wha whb whc whh whs whw wsa wsb wsc wse wsh wss wsw wwa wwc wwe www