bbb bbc bbe bbh bbs bcb bcc bce bch bcs be- beb bec bee beh bes bhb bhc bhe bhh bhs bsb bsc bse bsh bss c-- cbb cbc cbe cbh cbs ccb ccc cce cch ccs ce- ceb cec cee ceh ces ch- chb chc che chh chs csb csc cse csh css ebb ebc ebe ebh ebs ec- ecb ecc ece ech ecs eeb eec eee ees ehb ehc ehe ehh ehs es- esb esc ese esh ess hbb hbc hbe hbh hbs hcb hcc hce hch hcs he- heb hec hee heh hes hhb hhc hhe hhh hhs hsb hsc hse hsh hss sbb sbc sbe sbh sbs scb scc sce sch scs se- seb sec see seh ses sh- shb shc she shh shs ss- ssb ssc sse ssh sss