-er -up c-- ccc cce cck ccn ccp ccr ccs cct ccu ce- cec cee cek cen cep cer ces cet ceu ckc cks ckt cn- cnc cne cnn cnp cnr cns cnt cnu cpc cpe cpk cpn cpp cpr cps cpt cpu crc cre crk crn crp crr crs crt cru csc cse csk csn csp csr css cst csu ctc cte ctk ctn ctp ctr cts ctt ctu cuc cue cuk cun cup cur cus cut cuu ec- ecc ece eck ecn ecr ecs ect ecu eec eee eek een eep eer ees eet ekc eke ekp ekr eks ekt eku en- enc ene enk enn enp enr ens ent enu ep- epc epe epn epp epr eps ept epu erc ere erk ern erp err ers ert eru es- esc ese esk esn esp esr ess est esu etc ete etk etn etp etr ets ett etu eu- euc eue eun eup eur eus eut k-t kcc kce kck kcn kcp kcr kcs kct kcu ke- kec kee kek ken kep ker kes ket kkc kke kkk kkn kkp kkr kks kkt kku kn- knc kne knk knn knp knr knt knu kpc kpe kpk kpn kpp kpr kps kpt kpu krc krk krn krp krr krs krt kru ksc kse ksk ksn ksp ksr kss kst ksu ktc kte ktk ktn ktp ktr kts ktt ktu kuc kue kuk kun kup kur kus kut kuu ncc nce nck ncn ncp ncr ncs nct ncu ne- nec nee nek nen nep ner nes net neu nkc nke nkk nkn nkp nkr nks nkt nku nnc nne nnk nnn nnp nns nnt nnu npc npe npn npp npr nps npt npu nrc nre nrk nrn nrp nrr nrs nrt nru nsc nse nsk nsn nsp nsr nss nst nsu ntc nte ntk ntn ntp ntr nts ntt ntu nuc nue nuk nun nup nur nus nut nuu p-p pcc pce pck pcn pcp pcr pcs pct pcu pec pee pek pen pep per pes pet peu pkc pke pkn pkp pkr pks pkt pku pn- pnc pne pnk pnn pnp pnr pns pnt pnu ppc ppe ppk ppn ppp ppr pps ppt ppu prc pre prk prn prp prr prs prt pru ps- psc pse psk psn psp psr pss pst psu pt- ptc pte ptk ptn ptp ptr pts ptt ptu puc pue puk pun pup pur pus put puu rcc rce rcn rcp rcr rcs rct rcu re- rec ree rek ren rep rer res ret reu rkc rke rkk rkp rks rkt rku rnc rnn rnp rnr rns rnt rnu rpc rpe rpk rpn rpp rpr rps rpt rpu rrc rrk rrn rrp rrr rrs rrt rru rsc rse rsk rsn rsp rsr rss rst rsu rtc rte rtk rtn rtp rtr rts rtt rtu ruc rue ruk run rup rur rus rut ruu scc sce sck scn scp scr scs sct scu se- sec see sek sen sep ser ses set seu sk- skc ske skk skp skr sks skt sku snc sne snk snn snp snr sns snt snu spc spe spk spn spp spr sps spt spu sr- src sre srk srn srp srr srs srt ss- ssc sse ssk ssn ssp ssr sss sst ssu stc ste stk stn stp str sts stt stu suc sue suk sun sup sur sus sut suu tcc tce tck tcn tcp tcr tcs tct tcu te- tec tee tek ten tep ter tes tet teu tkc tke tkk tkp tkr tks tkt tnc tne tnk tnn tnp tnr tns tnt tpc tpe tpk tpn tpp tpr tps tpt tpu trc tre trk trn trp trr trs trt tru tsc tse tsk tsn tsp tsr tss tst tsu ttc tte ttk ttn ttp ttr tts ttt ttu tuc tue tuk tun tup tur tus tut tuu ucc uce uck ucn ucp ucr ucs uct ucu uec uee uen uep uer ues uet ukc uke ukk ukn ukp ukr uku un- unc une unk unn unp unr uns unt unu up- upc upe upk upn upp upr ups upt upu ur- urc ure urk urn urp urr urs urt uru usc use usk usn usp usr uss ust usu utc ute utk utn utp utr uts utt utu uuc uue uun uur uus uut uuu