-er -ic -ol c-- ccc ccd cce cci ccl cco ccr ccu cdc cdd cde cdi cdl cdo cdr cdu ce- cec ced cee cei cel ceo cer ceu ci- cic cid cie cii cil cio cir ciu cl- clc cld cle cli cll clo clr clu co- coc cod coe coi col coo cor cou crc crd cre cri crl cro crr cru cuc cud cue cui cul cuo cur cuu dcc dcd dce dci dcl dco dcr dcu ddc ddd dde ddi ddl ddo ddr ddu de- dec ded dee dei del deo der deu di- dic did die dii dil dio dir diu dl- dlc dld dle dli dll dlo dlr dlu doc dod doe doi dol doo dor dou drc drd dre dri drl dro drr dru duc dud due dui dul duo dur ec- ecc ecd ece eci ecl eco ecr ecu ed- edc edd ede edi edl edo edr edu eec eed eee eel eeo eer eic eid eie eii eil eio eir eiu elc eld ele eli ell elo elr elu eo- eoc eod eoe eoi eol eoo eor eou erc erd ere eri erl ero err eru eu- euc eud eue eui eul eur i-d icc icd ice ici icl ico icr icu idc idd ide idi idl ido idr idu ie- iec ied iee iei iel ier iic iid iie iii iil iio iir iiu il- ilc ild ile ili ill ilo ilr ilu io- ioc iod ioe ioi iol ioo ior iou ir- irc ird ire iri irl iro irr iru iu- iuc iud iue iui iur lcc lcd lce lci lcl lco lcr lcu ldc ldd lde ldi ldl ldo ldr ldu lec led lee lei lel leo ler leu lic lid lie lii lil lio lir liu llc lld lle lli lll llo llr llu loc lod loe loi lol loo lor lou lrc lrd lri lro lrr lru luc lud lue lui lul luo lur luu o-i oc- occ ocd oci ocl oco ocr ocu odc odd ode odi odl odo odr odu oec oed oee oei oel oeo oer oic oid oie oii oil oio oir oiu olc old ole oli oll olo olu oo- ooc ood ooi ool ooo oor or- orc ord ore ori orl oro orr oru ou- ouc oud oue oui oul ouo our rcc rcd rce rci rcl rco rcr rcu rdc rdd rde rdi rdl rdo rdr rdu re- rec red ree rei rel reo rer reu ric rid rie rii ril rio rir rlc rld rle rli rll rlo rlr rlu roc rod roe roi rol roo ror rou rrc rrd rri rrl rrr rru ruc rud rue rui ruo rur ruu ucc ucd uce uci ucl uco ucr ucu udc udd ude udi udl udo udr udu uec ued uee uei uel uer uic uid uie uii uil uio uir uiu ulc uld ule uli ull ulo ulr ulu uoc uod uoe uol uoo uor ur- urc urd ure uri url uro urr uru uuc uue uur uuu