-er -ic bbb bbc bbd bbe bbi bbl bbr bbt bcb bcc bcd bce bci bcl bcr bct bdb bdc bdd bde bdi bdl bdr bdt be- beb bec bed bee bei bel ber bet bi- bib bic bid bie bii bil bir bit blb blc bld ble bli bll blr blt brb brd bre bri brl brr brt btb btc btd bte bti btl btr btt c-- cbb cbc cbd cbe cbi cbl cbr cbt ccb ccc ccd cce cci ccl ccr cct cdb cdc cdd cde cdi cdl cdr cdt ce- ceb cec ced cee cei cel cer cet ci- cib cic cid cie cii cil cir cit cl- clb clc cld cle cli cll clr clt crb crc crd cre cri crl crr crt ctb ctc ctd cte cti ctl ctr ctt dbb dbc dbd dbe dbi dbl dbr dbt dcb dcc dcd dce dci dcl dcr dct ddb ddc ddd dde ddi ddl ddr ddt de- deb dec ded dee dei del der det di- dib dic did die dii dil dir dit dl- dlb dlc dld dle dli dll dlr dlt drb drc drd dre dri drl drr drt dtb dtc dtd dte dti dtl dtr dtt ebb ebc ebd ebe ebi ebl ebr ebt ec- ecb ecc ecd ece eci ecl ecr ect ed- edb edc edd ede edi edl edr edt eeb eec eed eee eel eer eet eib eic eid eie eii eil eir eit elb elc eld ele eli ell elr elt erb erc erd ere eri erl err ert etb etc etd ete eti etl etr ett i-d ibb ibc ibd ibe ibi ibl ibr ibt icb icc icd ice ici icl icr ict idb idc idd ide idi idl idr idt ie- iec ied iee iei iel ier iet iib iic iid iie iii iil iir iit il- ilb ilc ild ile ili ill ilr ilt ir- irb irc ird ire iri irl irr irt itb itc itd ite iti itl itt lbb lbc lbd lbe lbi lbl lbr lbt lcb lcc lcd lce lci lcl lcr lct ldb ldc ldd lde ldi ldl ldr ldt leb lec led lee lei lel ler let lib lic lid lie lii lil lir lit llb llc lld lle lli lll llr llt lrb lrc lrd lri lrr lrt ltb ltc ltd lte lti ltl ltr ltt rbb rbc rbd rbe rbi rbl rbr rbt rcb rcc rcd rce rci rcl rcr rct rdb rdc rdd rde rdi rdl rdr rdt re- reb rec red ree rei rel rer ret rib ric rid rie rii ril rir rit rlc rld rle rli rll rlr rlt rrb rrc rrd rri rrl rrr rrt rtb rtc rtd rte rti rtl rtr rtt tbb tbc tbd tbe tbi tbl tbr tbt tcb tcc tcd tce tci tcl tcr tct tdb tdc tdd tde tdi tdl tdr tdt te- teb tec ted tee tei tel ter tet tib tic tid tie tii til tir tit tlc tld tle tli tll tlr tlt trb trc trd tre tri trl trr trt ttb ttc ttd tte tti ttl ttr ttt