-th bbb bbc bbe bbh bbl bbn bbt bcb bcc bce bch bcl bcn bct be- beb bec bee beh bel ben bet bhb bhc bhe bhh bhl bht blb blc ble blh bll bln blt bnb bnc bne bnl bnn bnt btb btc bte bth btl btn btt c-- cbb cbc cbe cbh cbl cbn cbt ccb ccc cce cch ccl ccn cct ce- ceb cec cee ceh cel cen cet ch- chb chc che chh chl chn cht cl- clb clc cle clh cll cln clt cn- cnb cnc cne cnh cnl cnn cnt ctb ctc cte cth ctl ctn ctt ebb ebc ebe ebh ebl ebn ebt ec- ecb ecc ece ech ecl ecn ect eeb eec eee eel een eet ehb ehc ehe ehh ehl ehn eht elb elc ele elh ell eln elt en- enb enc ene enh enl enn ent etb etc ete eth etl etn ett hbb hbc hbe hbh hbl hbn hbt hcb hcc hce hch hcl hcn hct he- heb hec hee heh hel hen het hhb hhc hhe hhh hhl hhn hht hlb hlc hle hlh hll hln hlt hnb hnc hne hnh hnl hnn hnt htb htc hte hth htl htn htt lbb lbc lbe lbh lbl lbt lcb lcc lce lch lcl lcn lct leb lec lee leh lel len let lhb lhc lhh lht llb llc lle lll lln llt lnb lnc lne lnh lnl lnn lnt ltb ltc lte lth ltl ltt nbb nbc nbe nbl nbn nbt ncb ncc nce nch ncl ncn nct ne- neb nec nee neh nel nen net nhb nhc nhe nhh nhl nhn nht nlb nlc nle nlh nll nln nlt nnb nnc nne nnh nnl nnn nnt ntb ntc nte nth ntn ntt tbb tbc tbe tbh tbl tbn tbt tcb tcc tce tch tcl tcn tct te- teb tec tee teh tel ten tet th- thb thc the thh thl thn tht tlc tle tlh tll tln tlt tnb tnc tne tnh tnl tnn tnt ttb ttc tte tth ttl ttn ttt