-er -ic c-- ccc cce cci ccn ccr cct ccv ce- cec cee cei cen cer cet cev ci- cic cie cii cin cir cit civ cn- cnc cne cni cnn cnr cnt cnv crc cre cri crn crr crt crv ctc cte cti ctn ctr ctt ctv cvc cve cvi cvn cvr cvt cvv ec- ecc ece eci ecn ecr ect ecv eec eee een eer eet eev eic eie eii ein eir eit eiv en- enc ene eni enn enr ent env erc ere eri ern err ert erv etc ete eti etn etr ett etv evc eve evi evn evr evt evv i-v icc ice ici icn icr ict icv ie- iec iee iei ien ier iet iev iic iie iii iin iir iit in- inc ine ini inn inr int inv ir- irc ire iri irn irr irt irv itc ite iti itn itt itv ivc ive ivi ivr ivt ivv n-i ncc nce nci ncn ncr nct ncv ne- nec nee nei nen ner net nev nic nie nii nin nir nit niv nnc nne nni nnn nnt nnv nrc nre nri nrn nrr nrt nrv ntc nte nti ntn ntr ntt ntv nvc nve nvi nvn nvt nvv rcc rce rci rcn rcr rct rcv re- rec ree rei ren rer ret rev ric rie rii rin rir rit riv rnc rni rnn rnr rnt rnv rrc rri rrn rrr rrt rtc rte rti rtn rtr rtt rtv rvc rve rvi rvn rvr rvt rvv tcc tce tci tcn tcr tct tcv te- tec tee tei ten ter tet tev tic tie tii tin tir tit tiv tnc tne tni tnn tnr tnt trc tre tri trn trr trt trv ttc tte tti ttn ttr ttt ttv tvc tve tvi tvn tvr tvt v-e vcc vce vci vcn vcr vct vec vee vei ven ver vet vi- vic vie vii vin vir vit viv vn- vni vnr vnv vrc vre vri vrn vrr vrt vtc vte vti vtr vtt vtv vvc vvi vvr vvt vvv