-er -ol -up c-- ccc cce cck ccl cco ccp ccr cct ccu ce- cec cee cek cel ceo cep cer cet ceu ckc cko ckt cl- clc cle clk cll clo clp clr clt clu co- coc coe cok col coo cop cor cot cou cpc cpe cpk cpl cpo cpp cpr cpt cpu crc cre crk crl cro crp crr crt cru ctc cte ctk ctl cto ctp ctr ctt ctu cuc cue cuk cul cuo cup cur cut cuu ec- ecc ece eck ecl eco ecr ect ecu eec eee eek eel eeo eep eer eet ekc eke ekl eko ekp ekr ekt eku elc ele elk ell elo elp elr elt elu eo- eoc eoe eok eol eoo eop eor eot eou ep- epc epe epl epo epp epr ept epu erc ere erk erl ero erp err ert eru etc ete etk etl eto etp etr ett etu eu- euc eue eul eup eur eut k-t kcc kce kck kcl kcp kcr kct kcu ke- kec kee kek kel keo kep ker ket kkc kke kkk kkl kkp kkr kkt kku kl- klc klo klr klt klu koc koe kok kol koo kop kor kot kou kpc kpe kpk kpl kpo kpp kpr kpt kpu krc krk krl kro krp krr krt kru ktc kte ktk ktl kto ktp ktr ktt ktu kuc kue kuk kul kup kur kut kuu l-p lcc lce lck lcl lco lcp lcr lct lcu lec lee lek lel leo lep ler let leu lkl lkp lkr lkt llc lle llk lll llo llp llr llt llu loc loe lok lol loo lop lor lot lou lpc lpe lpk lpl lpo lpp lpr lpt lpu lrc lrk lro lrp lrr lrt lru ltc lte ltk ltl lto ltp ltr ltt ltu luc lue luk lul luo lup lur lut luu oc- occ ock ocl oco ocp ocr oct ocu oec oee oel oeo oep oer oet okc oke okk okl oko okp okr oku olc ole olk oll olo olp olt olu oo- ooc ook ool ooo oop oor oot op- opc ope opk opl opo opp opr opt or- orc ore ork orl oro orp orr ort oru ot- otc ote otk otl oto otp otr ott otu ou- ouc oue ouk oul ouo oup our out p-p pcc pce pck pcl pco pcp pcr pct pcu pec pee pek pel peo pep per pet peu pkc pke pkl pko pkp pkr pkt pku plc ple plk pll plo plp plr plt plu poc poe pok pol poo pop por pot pou ppc ppe ppk ppl ppo ppp ppr ppt ppu prc pre prk prl pro prp prr prt pru pt- ptc pte ptk ptl pto ptp ptr ptt ptu puc pue puk pul pup pur put puu rcc rce rcl rco rcp rcr rct rcu re- rec ree rek rel reo rep rer ret reu rkc rke rkk rko rkp rkt rku rlc rle rll rlo rlp rlr rlt rlu roc roe rok rol roo rop ror rot rou rpc rpe rpk rpl rpo rpp rpr rpt rpu rrc rrk rrl rrp rrr rrt rru rtc rte rtk rtl rto rtp rtr rtt rtu ruc rue ruk ruo rup rur rut ruu tcc tce tck tcl tco tcp tcr tct tcu te- tec tee tek tel teo tep ter tet teu tkc tke tkk tkl tko tkp tkr tkt tlc tle tlk tll tlo tlp tlr tlt tlu to- toc toe tok tol too top tor tot tou tpc tpe tpk tpl tpo tpp tpr tpt tpu trc tre trk trl tro trp trr trt tru ttc tte ttk ttl tto ttp ttr ttt ttu tuc tue tuk tul tuo tup tur tut tuu ucc uce uck ucl uco ucp ucr uct ucu uec uee uel uep uer uet ukc uke ukk ukl ukp ukr uku ulc ule ulk ull ulo ulp ulr ult ulu uoc uoe uok uol uoo uop uor uot up- upc upe upk upo upp upr upt upu ur- urc ure urk url uro urp urr urt uru utc ute utk utl uto utp utr utt utu uuc uue uur uut uuu