-er -ic -ol c-- ccc cce cci ccl cco ccr cct ce- cec cee cei cel ceo cer cet ci- cic cie cii cil cio cir cit cl- clc cle cli cll clo clr clt co- coc coe coi col coo cor cot crc cre cri crl cro crr crt ctc cte cti ctl cto ctr ctt ec- ecc ece eci ecl eco ecr ect eec eee eel eeo eer eet eic eie eii eil eio eir eit elc ele eli ell elo elr elt eo- eoc eoe eoi eol eoo eor eot erc ere eri erl ero err ert etc ete eti etl eto etr ett icc ice ici icl ico icr ict ie- iec iee iei iel ier iet iic iie iii iil iio iir iit il- ilc ile ili ill ilo ilr ilt io- ioc ioe ioi iol ioo ior iot ir- irc ire iri irl iro irr irt itc ite iti itl ito itt lcc lce lci lcl lco lcr lct lec lee lei lel leo ler let lic lie lii lil lio lir lit llc lle lli lll llo llr llt loc loe loi lol loo lor lot lrc lri lro lrr lrt ltc lte lti ltl lto ltr ltt o-i oc- occ oci ocl oco ocr oct oec oee oei oel oeo oer oet oic oie oii oil oio oir oit olc ole oli oll olo olt oo- ooc ooi ool ooo oor oot or- orc ore ori orl oro orr ort ot- otc ote oti otl oto otr ott rcc rce rci rcl rco rcr rct re- rec ree rei rel reo rer ret ric rie rii ril rio rir rit rlc rle rli rll rlo rlr rlt roc roe roi rol roo ror rot rrc rri rrl rrr rrt rtc rte rti rtl rto rtr rtt tcc tce tci tcl tco tcr tct te- tec tee tei tel teo ter tet tic tie tii til tio tir tit tlc tle tli tll tlo tlr tlt to- toc toe toi tol too tor tot trc tre tri trl tro trr trt ttc tte tti ttl tto ttr ttt