-er -ic c-- ccc cce cci ccn cco ccr cct ccv ce- cec cee cei cen ceo cer cet cev ci- cic cie cii cin cio cir cit civ cn- cnc cne cni cnn cno cnr cnt cnv co- coc coe coi con coo cor cot cov crc cre cri crn cro crr crt crv ctc cte cti ctn cto ctr ctt ctv cvc cve cvi cvn cvo cvr cvt cvv ec- ecc ece eci ecn eco ecr ect ecv eec eee een eeo eer eet eev eic eie eii ein eio eir eit eiv en- enc ene eni enn eno enr ent env eo- eoc eoe eoi eon eoo eor eot erc ere eri ern ero err ert erv etc ete eti etn eto etr ett etv evc eve evi evn evo evr evt evv i-v icc ice ici icn ico icr ict icv ie- iec iee iei ien ier iet iev iic iie iii iin iio iir iit in- inc ine ini inn ino inr int inv io- ioc ioe ioi ion ioo ior iot iov ir- irc ire iri irn iro irr irt irv itc ite iti itn ito itt itv ivc ive ivi ivo ivr ivt ivv n-i ncc nce nci ncn nco ncr nct ncv ne- nec nee nei nen neo ner net nev nic nie nii nin nio nir nit niv nnc nne nni nnn nno nnt nnv no- noc noe noi non noo nor not nov nrc nre nri nrn nro nrr nrt nrv ntc nte nti ntn nto ntr ntt ntv nvc nve nvi nvn nvt nvv o-i oc- occ oci ocn oco ocr oct ocv oec oee oei oen oeo oer oet oic oie oii oin oio oir oit oiv on- onc one oni onn ono onr ont oo- ooc ooi oon ooo oor oot oov or- orc ore ori orn oro orr ort orv ot- otc ote oti otn oto otr ott otv ov- ovc ove ovi ovo ovv rcc rce rci rcn rco rcr rct rcv re- rec ree rei ren reo rer ret rev ric rie rii rin rio rir rit riv rnc rni rnn rno rnr rnt rnv roc roe roi ron roo ror rot rov rrc rri rrn rrr rrt rtc rte rti rtn rto rtr rtt rtv rvc rve rvi rvn rvo rvr rvt rvv tcc tce tci tcn tco tcr tct tcv te- tec tee tei ten teo ter tet tev tic tie tii tin tio tir tit tiv tnc tne tni tnn tno tnr tnt to- toc toe toi ton too tor tot tov trc tre tri trn tro trr trt trv ttc tte tti ttn tto ttr ttt ttv tvc tve tvi tvn tvo tvr tvt v-e vcc vce vci vcn vco vcr vct vec vee vei ven veo ver vet vi- vic vie vii vin vio vir vit viv vn- vni vno vnr vnv voc voe voi von voo vor vot vov vrc vre vri vrn vrr vrt vtc vte vti vto vtr vtt vtv vvc vvi vvo vvr vvt vvv