-th bbb bbc bbe bbh bbl bbn bbs bbt bcb bcc bce bch bcl bcn bcs bct be- beb bec bee beh bel ben bes bet bhb bhc bhe bhh bhl bhs bht blb blc ble blh bll bln bls blt bnb bnc bne bnl bnn bns bnt bsb bsc bse bsh bsl bsn bss bst btb btc bte bth btl btn bts btt c-- cbb cbc cbe cbh cbl cbn cbs cbt ccb ccc cce cch ccl ccn ccs cct ce- ceb cec cee ceh cel cen ces cet ch- chb chc che chh chl chn chs cht cl- clb clc cle clh cll cln cls clt cn- cnb cnc cne cnh cnl cnn cns cnt csb csc cse csh csl csn css cst ctb ctc cte cth ctl ctn cts ctt ebb ebc ebe ebh ebl ebn ebs ebt ec- ecb ecc ece ech ecl ecn ecs ect eeb eec eee eel een ees eet ehb ehc ehe ehh ehl ehn ehs eht elb elc ele elh ell eln els elt en- enb enc ene enh enl enn ens ent es- esb esc ese esh esl esn ess est etb etc ete eth etl etn ets ett hbb hbc hbe hbh hbl hbn hbs hbt hcb hcc hce hch hcl hcn hcs hct he- heb hec hee heh hel hen hes het hhb hhc hhe hhh hhl hhn hhs hht hlb hlc hle hlh hll hln hls hlt hnb hnc hne hnh hnl hnn hns hnt hsb hsc hse hsh hsl hsn hss hst htb htc hte hth htl htn hts htt lbb lbc lbe lbh lbl lbs lbt lcb lcc lce lch lcl lcn lcs lct leb lec lee leh lel len les let lhb lhc lhh lhs lht llb llc lle lll lln lls llt lnb lnc lne lnh lnl lnn lns lnt lsb lsc lse lsh lsl lsn lss lst ltb ltc lte lth ltl lts ltt nbb nbc nbe nbl nbn nbs nbt ncb ncc nce nch ncl ncn ncs nct ne- neb nec nee neh nel nen nes net nhb nhc nhe nhh nhl nhn nhs nht nlb nlc nle nlh nll nln nls nlt nnb nnc nne nnh nnl nnn nns nnt nsb nsc nse nsh nsl nsn nss nst ntb ntc nte nth ntn nts ntt sbb sbc sbe sbh sbl sbn sbs sbt scb scc sce sch scl scn scs sct se- seb sec see seh sel sen ses set sh- shb shc she shh shl shn shs sht slb slc sle slh sll sln sls slt snb snc sne snl snn sns snt ss- ssb ssc sse ssh ssl ssn sss sst stb stc ste sth stl stn sts stt tbb tbc tbe tbh tbl tbn tbs tbt tcb tcc tce tch tcl tcn tcs tct te- teb tec tee teh tel ten tes tet th- thb thc the thh thl thn ths tht tlc tle tlh tll tln tls tlt tnb tnc tne tnh tnl tnn tns tnt tsb tsc tse tsh tsl tsn tss tst ttb ttc tte tth ttl ttn tts ttt