-ic bbb bbc bbe bbf bbi bbl bbt bcb bcc bce bcf bci bcl bct be- beb bec bee bef bei bel bet bfb bfc bfe bff bfi bfl bft bi- bib bic bie bif bii bil bit blb blc ble blf bli bll blt btb btc bte btf bti btl btt c-- cbb cbc cbe cbf cbi cbl cbt ccb ccc cce ccf cci ccl cct ce- ceb cec cee cef cei cel cet cfb cfc cfe cff cfi cfl cft ci- cib cic cie cif cii cil cit cl- clb clc cle clf cli cll clt ctb ctc cte ctf cti ctl ctt ebb ebc ebe ebf ebi ebl ebt ec- ecb ecc ece ecf eci ecl ect eeb eec eee eef eel eet ef- efb efc efe eff efi efl eft eib eic eie eif eii eil eit elb elc ele elf eli ell elt etb etc ete etf eti etl ett fbb fbc fbe fbf fbi fbl fbt fcb fcc fce fcf fci fcl fct feb fec fee fef fei fel fet ffc ffe fff ffi ffl fft fib fic fie fif fii fil fit flb flc fle flf fli fll flt ftb ftc fte ftf fti ftl ftt i-f ibb ibc ibe ibf ibi ibl ibt icb icc ice icf ici icl ict ie- iec iee ief iei iel iet ifb ifc ife iff ifi ifl ift iib iic iie iif iii iil iit il- ilb ilc ile ilf ili ill ilt itb itc ite itf iti itl itt lbb lbc lbe lbf lbi lbl lbt lcb lcc lce lcf lci lcl lct leb lec lee lef lei lel let lfb lfc lfe lff lfi lfl lft lib lic lie lif lii lil lit llb llc lle llf lli lll llt ltb ltc lte ltf lti ltl ltt tbb tbc tbe tbf tbi tbl tbt tcb tcc tce tcf tci tcl tct te- teb tec tee tef tei tel tet tfb tfc tfe tff tfi tfl tft tib tic tie tif tii til tit tlc tle tlf tli tll tlt ttb ttc tte ttf tti ttl ttt