-er -ic -ol c-- ccc cce cci ccl cco ccr cct ccx ce- cec cee cei cel ceo cer cet cex ci- cic cie cii cil cio cir cit cix cl- clc cle cli cll clo clr clt clx co- coc coe coi col coo cor cot cox crc cre cri crl cro crr crt crx ctc cte cti ctl cto ctr ctt ctx cxc cxi cxl cxo cxr cxt cxx ec- ecc ece eci ecl eco ecr ect ecx eec eee eel eeo eer eet eex eic eie eii eil eio eir eit eix elc ele eli ell elo elr elt elx eo- eoc eoe eoi eol eoo eor eot erc ere eri erl ero err ert etc ete eti etl eto etr ett etx ex- exc exe exi exl exo exr ext exx icc ice ici icl ico icr ict ie- iec iee iei iel ier iet iex iic iie iii iil iio iir iit iix il- ilc ile ili ill ilo ilr ilt ilx io- ioc ioe ioi iol ioo ior iot ir- irc ire iri irl iro irr irt irx itc ite iti itl ito itt itx ixc ixe ixi ixl lcc lce lci lcl lco lcr lct lcx lec lee lei lel leo ler let lex lic lie lii lil lio lir lit lix llc lle lli lll llo llr llt loc loe loi lol loo lor lot lox lrc lri lro lrr lrt ltc lte lti ltl lto ltr ltt ltx lxc lxi lxo lxr lxx o-i oc- occ oci ocl oco ocr oct ocx oec oee oei oel oeo oer oet oex oic oie oii oil oio oir oit olc ole oli oll olo olt oo- ooc ooi ool ooo oor oot oox or- orc ore ori orl oro orr ort orx ot- otc ote oti otl oto otr ott ox- oxc oxi oxo oxt oxx rcc rce rci rcl rco rcr rct rcx re- rec ree rei rel reo rer ret rex ric rie rii ril rio rir rit rix rlc rle rli rll rlo rlr rlt roc roe roi rol roo ror rot rox rrc rri rrl rrr rrt rtc rte rti rtl rto rtr rtt rtx rxr t-x tcc tce tci tcl tco tcr tct tcx te- tec tee tei tel teo ter tet tex tic tie tii til tio tir tit tix tlc tle tli tll tlo tlr tlt tlx to- toc toe toi tol too tor tot tox trc tre tri trl tro trr trt trx ttc tte tti ttl tto ttr ttt ttx txe txi txl txt xci xcl xcr xcx xee xel xer xet xex xic xie xii xio xit xix xli xlr xlt xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxl xxo xxx