-er c-- ccc ccd cce ccl ccn ccr ccu ccv cdc cdd cde cdl cdn cdr cdu cdv ce- cec ced cee cel cen cer ceu cev cl- clc cld cle cll cln clr clu clv cn- cnc cnd cne cnl cnn cnr cnu cnv crc crd cre crl crn crr cru crv cuc cud cue cul cun cur cuu cuv cvc cvd cve cvl cvn cvr cvu cvv dcc dcd dce dcl dcn dcr dcu dcv ddc ddd dde ddl ddn ddr ddu de- dec ded dee del den der deu dev dl- dlc dld dle dll dlr dlu dlv dnc dnd dne dnl dnn dnr drc drd dre drl drn drr dru drv duc dud due dul dun dur duv dvc dvd dve dvl dvn dvr dvu ec- ecc ecd ece ecl ecn ecr ecu ecv ed- edc edd ede edl edn edr edu eec eed eee eel een eer eev elc eld ele ell eln elr elu elv en- enc end ene enl enn enr enu env erc erd ere erl ern err eru erv eu- euc eud eue eul eun eur euv evc evd eve evl evn evr evv lcc lcd lce lcl lcn lcr lcu lcv ldc ldd lde ldl ldn ldr ldu ldv lec led lee lel len ler leu lev llc lld lle lll lln llr llu llv lnc lnd lne lnl lnn lnr lnu lrc lrd lrn lrr lru lrv luc lud lue lul lun lur luu luv lvc lvd lve lvl lvn lvr lvv ncc ncd nce ncl ncn ncr ncu ncv ndc ndd nde ndl ndn ndr ndu ndv ne- nec ned nee nel nen ner neu nev nlc nld nle nll nln nlr nlu nlv nnc nne nnl nnn nnu nnv nrc nrd nre nrl nrn nrr nru nrv nuc nud nue nul nun nur nuu nuv nvc nvd nve nvl nvn nvu nvv rcc rcd rce rcl rcn rcr rcu rcv rdc rdd rde rdl rdn rdr rdu rdv re- rec red ree rel ren rer reu rev rlc rld rle rll rln rlr rlu rnc rnd rnn rnr rnu rnv rrc rrd rrl rrn rrr rru ruc rud rue run rur ruu ruv rvc rvd rve rvl rvn rvr rvu rvv ucc ucd uce ucl ucn ucr ucu ucv udc udd ude udl udn udr udu udv uec ued uee uel uen uer ulc uld ule ull uln ulr ulu ulv un- unc und une unl unn unr unu unv ur- urc urd ure url urn urr uru uuc uue uun uur uuu uvc uve uvl uvu uvv v-e vcc vcd vce vcl vcn vcr vcu vdc vdd vde vdl vdr vdu vdv vec ved vee vel ven ver veu vl- vlc vld vle vll vlv vn- vnd vnl vnr vnu vnv vrc vrd vre vrn vrr vru vue vul vur vuv vvc vvr vvv