-er -ol -up c-- ccc cce ccl cco ccp ccr cct ccu ce- cec cee cel ceo cep cer cet ceu cl- clc cle cll clo clp clr clt clu co- coc coe col coo cop cor cot cou cpc cpe cpl cpo cpp cpr cpt cpu crc cre crl cro crp crr crt cru ctc cte ctl cto ctp ctr ctt ctu cuc cue cul cuo cup cur cut cuu ec- ecc ece ecl eco ecr ect ecu eec eee eel eeo eep eer eet elc ele ell elo elp elr elt elu eo- eoc eoe eol eoo eop eor eot eou ep- epc epe epl epo epp epr ept epu erc ere erl ero erp err ert eru etc ete etl eto etp etr ett etu eu- euc eue eul eup eur eut l-p lcc lce lcl lco lcp lcr lct lcu lec lee lel leo lep ler let leu llc lle lll llo llp llr llt llu loc loe lol loo lop lor lot lou lpc lpe lpl lpo lpp lpr lpt lpu lrc lro lrp lrr lrt lru ltc lte ltl lto ltp ltr ltt ltu luc lue lul luo lup lur lut luu oc- occ ocl oco ocp ocr oct ocu oec oee oel oeo oep oer oet olc ole oll olo olp olt olu oo- ooc ool ooo oop oor oot op- opc ope opl opo opp opr opt or- orc ore orl oro orp orr ort oru ot- otc ote otl oto otp otr ott otu ou- ouc oue oul ouo oup our out p-p pcc pce pcl pco pcp pcr pct pcu pec pee pel peo pep per pet peu plc ple pll plo plp plr plt plu poc poe pol poo pop por pot pou ppc ppe ppl ppo ppp ppr ppt ppu prc pre prl pro prp prr prt pru pt- ptc pte ptl pto ptp ptr ptt ptu puc pue pul pup pur put puu rcc rce rcl rco rcp rcr rct rcu re- rec ree rel reo rep rer ret reu rlc rle rll rlo rlp rlr rlt rlu roc roe rol roo rop ror rot rou rpc rpe rpl rpo rpp rpr rpt rpu rrc rrl rrp rrr rrt rru rtc rte rtl rto rtp rtr rtt rtu ruc rue ruo rup rur rut ruu tcc tce tcl tco tcp tcr tct tcu te- tec tee tel teo tep ter tet teu tlc tle tll tlo tlp tlr tlt tlu to- toc toe tol too top tor tot tou tpc tpe tpl tpo tpp tpr tpt tpu trc tre trl tro trp trr trt tru ttc tte ttl tto ttp ttr ttt ttu tuc tue tul tuo tup tur tut tuu ucc uce ucl uco ucp ucr uct ucu uec uee uel uep uer uet ulc ule ull ulo ulp ulr ult ulu uoc uoe uol uoo uop uor uot up- upc upe upo upp upr upt upu ur- urc ure url uro urp urr urt uru utc ute utl uto utp utr utt utu uuc uue uur uut uuu