-er -ic -ol c-- ccc cce cci ccl cco ccr ccu ce- cec cee cei cel ceo ceq cer ceu ci- cic cie cii cil cio ciq cir ciu cl- clc cle cli cll clo clr clu co- coc coe coi col coo coq cor cou cqc cqi cql cqo crc cre cri crl cro crq crr cru cuc cue cui cul cuo cuq cur cuu ec- ecc ece eci ecl eco ecq ecr ecu eec eee eel eeo eer eic eie eii eil eio eir eiu elc ele eli ell elo elr elu eo- eoc eoe eoi eol eoo eoq eor eou eqe eqq equ erc ere eri erl ero erq err eru eu- euc eue eui eul eur icc ice ici icl ico icq icr icu ie- iec iee iei iel ier iic iie iii iil iio iir iiu il- ilc ile ili ill ilo ilq ilr ilu io- ioc ioe ioi iol ioo ior iou iqc iqe iqu ir- irc ire iri irl iro irq irr iru iu- iuc iue iui iur lcc lce lci lcl lco lcq lcr lcu lec lee lei lel leo leq ler leu lic lie lii lil lio liq lir liu llc lle lli lll llo llq llr llu loc loe loi lol loo loq lor lou lqr lrc lri lro lrr lru luc lue lui lul luo lur luu o-i oc- occ oci ocl oco ocr ocu oec oee oei oel oeo oer oic oie oii oil oio oir oiu olc ole oli oll olo olu oo- ooc ooi ool ooo oor oqo or- orc ore ori orl oro orr oru ou- ouc oue oui oul ouo our qcc qci qcl qco qec qee qeo qic qie qil qio qir qiu qoi qoo qor qqq qqu qrc qre qri qrl qru qu- que qui qul quo qur rcc rce rci rcl rco rcr rcu re- rec ree rei rel reo req rer reu ric rie rii ril rio riq rir rlc rle rli rll rlo rlr rlu roc roe roi rol roo ror rou rqc rrc rri rrl rrq rrr rru ruc rue rui ruo rur ruu ucc uce uci ucl uco ucr ucu uec uee uei uel uer uic uie uii uil uio uiq uir uiu ulc ule uli ull ulo ulr ulu uoc uoe uol uoo uor ur- urc ure uri url uro urr uru uuc uue uur uuu