-er -ic -up c-- ccc cce cci cck ccl ccp ccr cct ccu ce- cec cee cei cek cel cep cer cet ceu ci- cic cie cii cik cil cip cir cit ciu ckc cki ckt cl- clc cle cli clk cll clp clr clt clu cpc cpe cpi cpk cpl cpp cpr cpt cpu crc cre cri crk crl crp crr crt cru ctc cte cti ctk ctl ctp ctr ctt ctu cuc cue cui cuk cul cup cur cut cuu ec- ecc ece eci eck ecl ecr ect ecu eec eee eek eel eep eer eet eic eie eii eik eil eip eir eit eiu ekc eke eki ekl ekp ekr ekt eku elc ele eli elk ell elp elr elt elu ep- epc epe epi epl epp epr ept epu erc ere eri erk erl erp err ert eru etc ete eti etk etl etp etr ett etu eu- euc eue eui eul eup eur eut icc ice ici ick icl icp icr ict icu ie- iec iee iei iek iel iep ier iet iic iie iii iil iip iir iit iiu ikc ike iki ikk ikl ikr ikt iku il- ilc ile ili ilk ill ilp ilr ilt ilu ipc ipe ipi ipl ipp ipr ipt ipu ir- irc ire iri irk irl irp irr irt iru itc ite iti itk itl itp itt itu iu- iuc iue iui iup iur iut k-t kcc kce kci kck kcl kcp kcr kct kcu ke- kec kee kei kek kel kep ker ket kic kie kii kik kil kip kir kit kiu kkc kke kki kkk kkl kkp kkr kkt kku kl- klc kli klr klt klu kpc kpe kpi kpk kpl kpp kpr kpt kpu krc kri krk krl krp krr krt kru ktc kte ktk ktl ktp ktr ktt ktu kuc kue kui kuk kul kup kur kut kuu l-p lcc lce lci lck lcl lcp lcr lct lcu lec lee lei lek lel lep ler let leu lic lie lii lik lil lip lir lit liu lkl lkp lkr lkt llc lle lli llk lll llp llr llt llu lpc lpe lpi lpk lpl lpp lpr lpt lpu lrc lri lrk lrp lrr lrt lru ltc lte lti ltk ltl ltp ltr ltt ltu luc lue lui luk lul lup lur lut luu p-p pcc pce pci pck pcl pcp pcr pct pcu pec pee pei pek pel pep per pet peu pic pie pii pik pil pip pir pit piu pkc pke pki pkl pkp pkr pkt pku plc ple pli plk pll plp plr plt plu ppc ppe ppi ppk ppl ppp ppr ppt ppu prc pre pri prk prl prp prr prt pru pt- ptc pte pti ptk ptl ptp ptr ptt ptu puc pue pui puk pul pup pur put puu rcc rce rci rcl rcp rcr rct rcu re- rec ree rei rek rel rep rer ret reu ric rie rii rik ril rip rir rit rkc rke rkk rkp rkt rku rlc rle rli rll rlp rlr rlt rlu rpc rpe rpi rpk rpl rpp rpr rpt rpu rrc rri rrk rrl rrp rrr rrt rru rtc rte rti rtk rtl rtp rtr rtt rtu ruc rue rui ruk rup rur rut ruu tcc tce tci tck tcl tcp tcr tct tcu te- tec tee tei tek tel tep ter tet teu tic tie tii tik til tip tir tit tiu tkc tke tkk tkl tkp tkr tkt tlc tle tli tlk tll tlp tlr tlt tlu tpc tpe tpi tpk tpl tpp tpr tpt tpu trc tre tri trk trl trp trr trt tru ttc tte tti ttk ttl ttp ttr ttt ttu tuc tue tui tuk tul tup tur tut tuu ucc uce uci uck ucl ucp ucr uct ucu uec uee uei uel uep uer uet uic uie uii uil uip uir uit uiu ukc uke uki ukk ukl ukp ukr uku ulc ule uli ulk ull ulp ulr ult ulu up- upc upe upi upk upp upr upt upu ur- urc ure uri urk url urp urr urt uru utc ute uti utk utl utp utr utt utu uuc uue uur uut uuu