-er -ic c-- ccc cce cci ccn ccr ccu ccv ce- cec cee cei cen cer ceu cev ci- cic cie cii cin cir ciu civ cn- cnc cne cni cnn cnr cnu cnv crc cre cri crn crr cru crv cuc cue cui cun cur cuu cuv cvc cve cvi cvn cvr cvu cvv ec- ecc ece eci ecn ecr ecu ecv eec eee een eer eev eic eie eii ein eir eiu eiv en- enc ene eni enn enr enu env erc ere eri ern err eru erv eu- euc eue eui eun eur euv evc eve evi evn evr evv i-v icc ice ici icn icr icu icv ie- iec iee iei ien ier iev iic iie iii iin iir iiu in- inc ine ini inn inr inu inv ir- irc ire iri irn irr iru irv iu- iuc iue iui iur ivc ive ivi ivr ivu ivv n-i ncc nce nci ncn ncr ncu ncv ne- nec nee nei nen ner neu nev nic nie nii nin nir niu niv nnc nne nni nnn nnu nnv nrc nre nri nrn nrr nru nrv nuc nue nui nun nur nuu nuv nvc nve nvi nvn nvu nvv rcc rce rci rcn rcr rcu rcv re- rec ree rei ren rer reu rev ric rie rii rin rir riv rnc rni rnn rnr rnu rnv rrc rri rrn rrr rru ruc rue rui run rur ruu ruv rvc rve rvi rvn rvr rvu rvv ucc uce uci ucn ucr ucu ucv uec uee uei uen uer uic uie uii uin uir uiu un- unc une uni unn unr unu unv ur- urc ure uri urn urr uru uuc uue uun uur uuu uvc uve uvu uvv v-e vcc vce vci vcn vcr vcu vec vee vei ven ver veu vi- vic vie vii vin vir viu viv vn- vni vnr vnu vnv vrc vre vri vrn vrr vru vue vur vuv vvc vvi vvr vvv