-er -ic bbb bbc bbe bbi bbl bbn bbr bbt bcb bcc bce bci bcl bcn bcr bct be- beb bec bee bei bel ben ber bet bi- bib bic bie bii bil bin bir bit blb blc ble bli bll bln blr blt bnb bnc bne bni bnl bnn bnr bnt brb bre bri brl brn brr brt btb btc bte bti btl btn btr btt c-- cbb cbc cbe cbi cbl cbn cbr cbt ccb ccc cce cci ccl ccn ccr cct ce- ceb cec cee cei cel cen cer cet ci- cib cic cie cii cil cin cir cit cl- clb clc cle cli cll cln clr clt cn- cnb cnc cne cni cnl cnn cnr cnt crb crc cre cri crl crn crr crt ctb ctc cte cti ctl ctn ctr ctt ebb ebc ebe ebi ebl ebn ebr ebt ec- ecb ecc ece eci ecl ecn ecr ect eeb eec eee eel een eer eet eib eic eie eii eil ein eir eit elb elc ele eli ell eln elr elt en- enb enc ene eni enl enn enr ent erb erc ere eri erl ern err ert etb etc ete eti etl etn etr ett ibb ibc ibe ibi ibl ibn ibr ibt icb icc ice ici icl icn icr ict ie- iec iee iei iel ien ier iet iib iic iie iii iil iin iir iit il- ilb ilc ile ili ill iln ilr ilt in- inb inc ine ini inl inn inr int ir- irb irc ire iri irl irn irr irt itb itc ite iti itl itn itt lbb lbc lbe lbi lbl lbr lbt lcb lcc lce lci lcl lcn lcr lct leb lec lee lei lel len ler let lib lic lie lii lil lin lir lit llb llc lle lli lll lln llr llt lnb lnc lne lni lnl lnn lnr lnt lrb lrc lri lrn lrr lrt ltb ltc lte lti ltl ltr ltt n-i nbb nbc nbe nbi nbl nbn nbr nbt ncb ncc nce nci ncl ncn ncr nct ne- neb nec nee nei nel nen ner net nib nic nie nii nil nin nir nit nlb nlc nle nli nll nln nlr nlt nnb nnc nne nni nnl nnn nnt nrb nrc nre nri nrl nrn nrr nrt ntb ntc nte nti ntn ntr ntt rbb rbc rbe rbi rbl rbn rbr rbt rcb rcc rce rci rcl rcn rcr rct re- reb rec ree rei rel ren rer ret rib ric rie rii ril rin rir rit rlc rle rli rll rln rlr rlt rnb rnc rni rnn rnr rnt rrb rrc rri rrl rrn rrr rrt rtb rtc rte rti rtl rtn rtr rtt tbb tbc tbe tbi tbl tbn tbr tbt tcb tcc tce tci tcl tcn tcr tct te- teb tec tee tei tel ten ter tet tib tic tie tii til tin tir tit tlc tle tli tll tln tlr tlt tnb tnc tne tni tnl tnn tnr tnt trb trc tre tri trl trn trr trt ttb ttc tte tti ttl ttn ttr ttt