-er -ic c-- ccc cce cci ccl ccr cct ccv ce- cec cee cei cel cer cet cev ci- cic cie cii cil cir cit civ cl- clc cle cli cll clr clt clv crc cre cri crl crr crt crv ctc cte cti ctl ctr ctt ctv cvc cve cvi cvl cvr cvt cvv ec- ecc ece eci ecl ecr ect ecv eec eee eel eer eet eev eic eie eii eil eir eit eiv elc ele eli ell elr elt elv erc ere eri erl err ert erv etc ete eti etl etr ett etv evc eve evi evl evr evt evv i-v icc ice ici icl icr ict icv ie- iec iee iei iel ier iet iev iic iie iii iil iir iit il- ilc ile ili ill ilr ilt ilv ir- irc ire iri irl irr irt irv itc ite iti itl itt itv ivc ive ivi ivl ivr ivt ivv lcc lce lci lcl lcr lct lcv lec lee lei lel ler let lev lic lie lii lil lir lit liv llc lle lli lll llr llt llv lrc lri lrr lrt lrv ltc lte lti ltl ltr ltt ltv lvc lve lvi lvl lvr lvt lvv rcc rce rci rcl rcr rct rcv re- rec ree rei rel rer ret rev ric rie rii ril rir rit riv rlc rle rli rll rlr rlt rrc rri rrl rrr rrt rtc rte rti rtl rtr rtt rtv rvc rve rvi rvl rvr rvt rvv tcc tce tci tcl tcr tct tcv te- tec tee tei tel ter tet tev tic tie tii til tir tit tiv tlc tle tli tll tlr tlt tlv trc tre tri trl trr trt trv ttc tte tti ttl ttr ttt ttv tvc tve tvi tvl tvr tvt v-e vcc vce vci vcl vcr vct vec vee vei vel ver vet vi- vic vie vii vil vir vit viv vl- vlc vle vll vlt vlv vrc vre vri vrr vrt vtc vte vti vtl vtr vtt vtv vvc vvi vvr vvt vvv