bbb bbc bbe bbh bbl bbn bbs bcb bcc bce bch bcl bcn bcs be- beb bec bee beh bel ben bes bhb bhc bhe bhh bhl bhs blb blc ble blh bll bln bls bnb bnc bne bnl bnn bns bsb bsc bse bsh bsl bsn bss c-- cbb cbc cbe cbh cbl cbn cbs ccb ccc cce cch ccl ccn ccs ce- ceb cec cee ceh cel cen ces ch- chb chc che chh chl chn chs cl- clb clc cle clh cll cln cls cn- cnb cnc cne cnh cnl cnn cns csb csc cse csh csl csn css ebb ebc ebe ebh ebl ebn ebs ec- ecb ecc ece ech ecl ecn ecs eeb eec eee eel een ees ehb ehc ehe ehh ehl ehn ehs elb elc ele elh ell eln els en- enb enc ene enh enl enn ens es- esb esc ese esh esl esn ess hbb hbc hbe hbh hbl hbn hbs hcb hcc hce hch hcl hcn hcs he- heb hec hee heh hel hen hes hhb hhc hhe hhh hhl hhn hhs hlb hlc hle hlh hll hln hls hnb hnc hne hnh hnl hnn hns hsb hsc hse hsh hsl hsn hss lbb lbc lbe lbh lbl lbs lcb lcc lce lch lcl lcn lcs leb lec lee leh lel len les lhb lhc lhh lhs llb llc lle lll lln lls lnb lnc lne lnh lnl lnn lns lsb lsc lse lsh lsl lsn lss nbb nbc nbe nbl nbn nbs ncb ncc nce nch ncl ncn ncs ne- neb nec nee neh nel nen nes nhb nhc nhe nhh nhl nhn nhs nlb nlc nle nlh nll nln nls nnb nnc nne nnh nnl nnn nns nsb nsc nse nsh nsl nsn nss sbb sbc sbe sbh sbl sbn sbs scb scc sce sch scl scn scs se- seb sec see seh sel sen ses sh- shb shc she shh shl shn shs slb slc sle slh sll sln sls snb snc sne snl snn sns ss- ssb ssc sse ssh ssl ssn sss