bbb bbc bbe bbh bbn bbs bcb bcc bce bch bcn bcs be- beb bec bee beh ben bes bhb bhc bhe bhh bhs bnb bnc bne bnn bns bsb bsc bse bsh bsn bss c-- cbb cbc cbe cbh cbn cbs ccb ccc cce cch ccn ccs ce- ceb cec cee ceh cen ces ch- chb chc che chh chn chs cn- cnb cnc cne cnh cnn cns csb csc cse csh csn css ebb ebc ebe ebh ebn ebs ec- ecb ecc ece ech ecn ecs eeb eec eee een ees ehb ehc ehe ehh ehn ehs en- enb enc ene enh enn ens es- esb esc ese esh esn ess hbb hbc hbe hbh hbn hbs hcb hcc hce hch hcn hcs he- heb hec hee heh hen hes hhb hhc hhe hhh hhn hhs hnb hnc hne hnh hnn hns hsb hsc hse hsh hsn hss nbb nbc nbe nbn nbs ncb ncc nce nch ncn ncs ne- neb nec nee neh nen nes nhb nhc nhe nhh nhn nhs nnb nnc nne nnh nnn nns nsb nsc nse nsh nsn nss sbb sbc sbe sbh sbn sbs scb scc sce sch scn scs se- seb sec see seh sen ses sh- shb shc she shh shn shs snb snc sne snn sns ss- ssb ssc sse ssh ssn sss