bbb bbc bbe bbh bbk bbl bbn bbs bcb bcc bce bch bck bcl bcn bcs be- beb bec bee beh bek bel ben bes bhb bhc bhe bhh bhk bhl bhs bkb bkc bke bkk bkl bkn bks blb blc ble blh blk bll bln bls bnb bnc bne bnk bnl bnn bns bsb bsc bse bsh bsk bsl bsn bss c-- cbb cbc cbe cbh cbk cbl cbn cbs ccb ccc cce cch cck ccl ccn ccs ce- ceb cec cee ceh cek cel cen ces ch- chb chc che chh chk chl chn chs ckb ckc ckh cks cl- clb clc cle clh clk cll cln cls cn- cnb cnc cne cnh cnl cnn cns csb csc cse csh csk csl csn css ebb ebc ebe ebh ebk ebl ebn ebs ec- ecb ecc ece ech eck ecl ecn ecs eeb eec eee eek eel een ees ehb ehc ehe ehh ehl ehn ehs ekb ekc eke ekh ekl eks elb elc ele elh elk ell eln els en- enb enc ene enh enk enl enn ens es- esb esc ese esh esk esl esn ess hbb hbc hbe hbh hbk hbl hbn hbs hcb hcc hce hch hck hcl hcn hcs he- heb hec hee heh hek hel hen hes hhb hhc hhe hhh hhk hhl hhn hhs hkb hkh hkk hkl hkn hks hlb hlc hle hlh hll hln hls hnb hnc hne hnh hnk hnl hnn hns hsb hsc hse hsh hsk hsl hsn hss kbb kbc kbe kbh kbk kbl kbn kbs kcb kcc kce kch kck kcl kcn kcs ke- keb kec kee keh kek kel ken kes khe khh khk khn khs kkb kkc kke kkh kkk kkl kkn kks kl- klb klc klh kls kn- knc kne knk knl knn ksb ksc kse ksh ksk ksl ksn kss lbb lbc lbe lbh lbk lbl lbs lcb lcc lce lch lck lcl lcn lcs leb lec lee leh lek lel len les lhb lhc lhh lhk lhs lkb lkh lkl lks llb llc lle llk lll lln lls lnb lnc lne lnh lnk lnl lnn lns lsb lsc lse lsh lsk lsl lsn lss nbb nbc nbe nbk nbl nbn nbs ncb ncc nce nch nck ncl ncn ncs ne- neb nec nee neh nek nel nen nes nhb nhc nhe nhh nhk nhl nhn nhs nkc nke nkk nkn nks nlb nlc nle nlh nlk nll nln nls nnb nnc nne nnh nnk nnl nnn nns nsb nsc nse nsh nsk nsl nsn nss sbb sbc sbe sbh sbk sbl sbn sbs scb scc sce sch sck scl scn scs se- seb sec see seh sek sel sen ses sh- shb shc she shh shk shl shn shs sk- skb skc ske skh skk skl sks slb slc sle slh slk sll sln sls snb snc sne snk snl snn sns ss- ssb ssc sse ssh ssk ssl ssn sss