-er -ic -up c-- ccc cce cci ccl ccp ccr ccu ccv ce- cec cee cei cel cep cer ceu cev ci- cic cie cii cil cip cir ciu civ cl- clc cle cli cll clp clr clu clv cpc cpe cpi cpl cpp cpr cpu cpv crc cre cri crl crp crr cru crv cuc cue cui cul cup cur cuu cuv cvc cve cvi cvl cvp cvr cvu cvv ec- ecc ece eci ecl ecr ecu ecv eec eee eel eep eer eev eic eie eii eil eip eir eiu eiv elc ele eli ell elp elr elu elv ep- epc epe epi epl epp epr epu erc ere eri erl erp err eru erv eu- euc eue eui eul eup eur euv evc eve evi evl evp evr evv i-v icc ice ici icl icp icr icu icv ie- iec iee iei iel iep ier iev iic iie iii iil iip iir iiu il- ilc ile ili ill ilp ilr ilu ilv ipc ipe ipi ipl ipp ipr ipu ipv ir- irc ire iri irl irp irr iru irv iu- iuc iue iui iup iur ivc ive ivi ivl ivp ivr ivu ivv l-p lcc lce lci lcl lcp lcr lcu lcv lec lee lei lel lep ler leu lev lic lie lii lil lip lir liu liv llc lle lli lll llp llr llu llv lpc lpe lpi lpl lpp lpr lpu lpv lrc lri lrp lrr lru lrv luc lue lui lul lup lur luu luv lvc lve lvi lvl lvp lvr lvv p-p pcc pce pci pcl pcp pcr pcu pcv pec pee pei pel pep per peu pev pic pie pii pil pip pir piu piv plc ple pli pll plp plr plu plv ppc ppe ppi ppl ppp ppr ppu ppv prc pre pri prl prp prr pru prv puc pue pui pul pup pur puu pvc pve pvi pvl pvp pvr pvu pvv rcc rce rci rcl rcp rcr rcu rcv re- rec ree rei rel rep rer reu rev ric rie rii ril rip rir riv rlc rle rli rll rlp rlr rlu rpc rpe rpi rpl rpp rpr rpu rpv rrc rri rrl rrp rrr rru ruc rue rui rup rur ruu ruv rvc rve rvi rvl rvp rvr rvu rvv ucc uce uci ucl ucp ucr ucu ucv uec uee uei uel uep uer uic uie uii uil uip uir uiu ulc ule uli ull ulp ulr ulu ulv up- upc upe upi upp upr upu upv ur- urc ure uri url urp urr uru uuc uue uur uuu uvc uve uvl uvu uvv v-e vcc vce vci vcl vcp vcr vcu vec vee vei vel vep ver veu vi- vic vie vii vil vip vir viu viv vl- vlc vle vll vlp vlv vpc vpe vpi vpl vpp vpr vpu vrc vre vri vrp vrr vru vue vul vup vur vuv vvc vvi vvr vvv