-er c-- ccc cce ccl ccn ccr ccu ccv ce- cec cee cel cen cer ceu cev cl- clc cle cll cln clr clu clv cn- cnc cne cnl cnn cnr cnu cnv crc cre crl crn crr cru crv cuc cue cul cun cur cuu cuv cvc cve cvl cvn cvr cvu cvv ec- ecc ece ecl ecn ecr ecu ecv eec eee eel een eer eev elc ele ell eln elr elu elv en- enc ene enl enn enr enu env erc ere erl ern err eru erv eu- euc eue eul eun eur euv evc eve evl evn evr evv lcc lce lcl lcn lcr lcu lcv lec lee lel len ler leu lev llc lle lll lln llr llu llv lnc lne lnl lnn lnr lnu lrc lrn lrr lru lrv luc lue lul lun lur luu luv lvc lve lvl lvn lvr lvv ncc nce ncl ncn ncr ncu ncv ne- nec nee nel nen ner neu nev nlc nle nll nln nlr nlu nlv nnc nne nnl nnn nnu nnv nrc nre nrl nrn nrr nru nrv nuc nue nul nun nur nuu nuv nvc nve nvl nvn nvu nvv rcc rce rcl rcn rcr rcu rcv re- rec ree rel ren rer reu rev rlc rle rll rln rlr rlu rnc rnn rnr rnu rnv rrc rrl rrn rrr rru ruc rue run rur ruu ruv rvc rve rvl rvn rvr rvu rvv ucc uce ucl ucn ucr ucu ucv uec uee uel uen uer ulc ule ull uln ulr ulu ulv un- unc une unl unn unr unu unv ur- urc ure url urn urr uru uuc uue uun uur uuu uvc uve uvl uvu uvv v-e vcc vce vcl vcn vcr vcu vec vee vel ven ver veu vl- vlc vle vll vlv vn- vnl vnr vnu vnv vrc vre vrn vrr vru vue vul vur vuv vvc vvr vvv