-er -ic c-- ccc ccd cce ccf cci ccl ccr ccu cdc cdd cde cdf cdi cdl cdr cdu ce- cec ced cee cef cei cel cer ceu cfc cfd cfe cff cfi cfl cfr cfu ci- cic cid cie cif cii cil cir ciu cl- clc cld cle clf cli cll clr clu crc crd cre crf cri crl crr cru cuc cud cue cuf cui cul cur cuu dcc dcd dce dcf dci dcl dcr dcu ddc ddd dde ddf ddi ddl ddr ddu de- dec ded dee def dei del der deu dfc dfd dfe dff dfi dfl dfr dfu di- dic did die dif dii dil dir diu dl- dlc dld dle dlf dli dll dlr dlu drc drd dre dri drl drr dru duc dud due duf dui dul dur ec- ecc ecd ece ecf eci ecl ecr ecu ed- edc edd ede edf edi edl edr edu eec eed eee eef eel eer ef- efc efd efe eff efi efl efr eic eid eie eif eii eil eir eiu elc eld ele elf eli ell elr elu erc erd ere erf eri erl err eru eu- euc eud eue euf eui eul eur fcc fcd fce fcf fci fcl fcr fcu fdc fdd fde fdf fdi fdl fdr fdu fec fed fee fef fei fel fer feu ffc ffd ffe fff ffi ffl ffr ffu fic fid fie fif fii fil fir fiu flc fld fle flf fli fll flr flu frc frd fre frf fri frl frr fru fud fue fuf fui ful fur fuu i-d i-f icc icd ice icf ici icl icr icu idc idd ide idf idi idl idr idu ie- iec ied iee ief iei iel ier ifc ifd ife iff ifi ifl ifr ifu iic iid iie iif iii iil iir iiu il- ilc ild ile ilf ili ill ilr ilu ir- irc ird ire irf iri irl irr iru iu- iuc iud iue iui iur lcc lcd lce lcf lci lcl lcr lcu ldc ldd lde ldf ldi ldl ldr ldu lec led lee lef lei lel ler leu lfc lfd lfe lff lfi lfl lfr lfu lic lid lie lif lii lil lir liu llc lld lle llf lli lll llr llu lrc lrd lrf lri lrr lru luc lud lue luf lui lul lur luu rcc rcd rce rcf rci rcl rcr rcu rdc rdd rde rdf rdi rdl rdr rdu re- rec red ree ref rei rel rer reu rfc rfd rfe rff rfi rfl rfr rfu ric rid rie rif rii ril rir rlc rld rle rlf rli rll rlr rlu rrc rrd rrf rri rrl rrr rru ruc rud rue ruf rui rur ruu ucc ucd uce ucf uci ucl ucr ucu udc udd ude udf udi udl udr udu uec ued uee uef uei uel uer ufc ufd ufe uff ufi ufl ufr ufu uic uid uie uif uii uil uir uiu ulc uld ule ulf uli ull ulr ulu ur- urc urd ure urf uri url urr uru uuc uue uur uuu