-er -ic c-- ccc ccd cce cci ccl ccr ccu cdc cdd cde cdi cdl cdr cdu ce- cec ced cee cei cel cer ceu ci- cic cid cie cii cil cir ciu cl- clc cld cle cli cll clr clu crc crd cre cri crl crr cru cuc cud cue cui cul cur cuu dcc dcd dce dci dcl dcr dcu ddc ddd dde ddi ddl ddr ddu de- dec ded dee dei del der deu di- dic did die dii dil dir diu dl- dlc dld dle dli dll dlr dlu drc drd dre dri drl drr dru duc dud due dui dul dur ec- ecc ecd ece eci ecl ecr ecu ed- edc edd ede edi edl edr edu eec eed eee eel eer eic eid eie eii eil eir eiu elc eld ele eli ell elr elu erc erd ere eri erl err eru eu- euc eud eue eui eul eur i-d icc icd ice ici icl icr icu idc idd ide idi idl idr idu ie- iec ied iee iei iel ier iic iid iie iii iil iir iiu il- ilc ild ile ili ill ilr ilu ir- irc ird ire iri irl irr iru iu- iuc iud iue iui iur lcc lcd lce lci lcl lcr lcu ldc ldd lde ldi ldl ldr ldu lec led lee lei lel ler leu lic lid lie lii lil lir liu llc lld lle lli lll llr llu lrc lrd lri lrr lru luc lud lue lui lul lur luu rcc rcd rce rci rcl rcr rcu rdc rdd rde rdi rdl rdr rdu re- rec red ree rei rel rer reu ric rid rie rii ril rir rlc rld rle rli rll rlr rlu rrc rrd rri rrl rrr rru ruc rud rue rui rur ruu ucc ucd uce uci ucl ucr ucu udc udd ude udi udl udr udu uec ued uee uei uel uer uic uid uie uii uil uir uiu ulc uld ule uli ull ulr ulu ur- urc urd ure uri url urr uru uuc uue uur uuu