-er -ic c-- ccc cce cci ccl ccp ccr ccv ccx ce- cec cee cei cel cep cer cev cex ci- cic cie cii cil cip cir civ cix cl- clc cle cli cll clp clr clv clx cpc cpe cpi cpl cpp cpr cpv cpx crc cre cri crl crp crr crv crx cvc cve cvi cvl cvp cvr cvv cvx cxc cxi cxl cxp cxr cxv cxx ec- ecc ece eci ecl ecr ecv ecx eec eee eel eep eer eev eex eic eie eii eil eip eir eiv eix elc ele eli ell elp elr elv elx ep- epc epe epi epl epp epr epx erc ere eri erl erp err erv evc eve evi evl evp evr evv ex- exc exe exi exl exp exr exx i-v icc ice ici icl icp icr icv ie- iec iee iei iel iep ier iev iex iic iie iii iil iip iir iix il- ilc ile ili ill ilp ilr ilv ilx ipc ipe ipi ipl ipp ipr ipv ipx ir- irc ire iri irl irp irr irv irx ivc ive ivi ivl ivp ivr ivv ivx ixc ixe ixi ixl l-p lcc lce lci lcl lcp lcr lcv lcx lec lee lei lel lep ler lev lex lic lie lii lil lip lir liv lix llc lle lli lll llp llr llv lpc lpe lpi lpl lpp lpr lpv lpx lrc lri lrp lrr lrv lvc lve lvi lvl lvp lvr lvv lvx lxc lxi lxr lxv lxx p-p pcc pce pci pcl pcp pcr pcv pcx pec pee pei pel pep per pev pex pic pie pii pil pip pir piv pix plc ple pli pll plp plr plv plx ppc ppe ppi ppl ppp ppr ppv ppx prc pre pri prl prp prr prv prx pvc pve pvi pvl pvp pvr pvv pxc pxe pxl pxr rcc rce rci rcl rcp rcr rcv rcx re- rec ree rei rel rep rer rev rex ric rie rii ril rip rir riv rix rlc rle rli rll rlp rlr rpc rpe rpi rpl rpp rpr rpv rpx rrc rri rrl rrp rrr rvc rve rvi rvl rvp rvr rvv rxp rxr v-e vcc vce vci vcl vcp vcr vcx vec vee vei vel vep ver vex vi- vic vie vii vil vip vir viv vix vl- vlc vle vll vlp vlv vpc vpe vpi vpl vpp vpr vpx vrc vre vri vrp vrr vvc vvi vvr vvv vxl vxr vxv xci xcl xcp xcr xcv xcx xee xel xep xer xev xex xic xie xii xiv xix xli xlr xlv xpc xpe xpl xpp xrc xrx xvi xvl xxi xxl xxp xxv xxx