-er -ic -up c-- ccc cce cci cck ccm ccn ccp ccr ccu ce- cec cee cei cek cem cen cep cer ceu ci- cic cie cii cik cim cin cip cir ciu ckc cki ckm cmc cme cmi cmk cmm cmn cmp cmr cmu cn- cnc cne cni cnm cnn cnp cnr cnu cpc cpe cpi cpk cpm cpn cpp cpr cpu crc cre cri crk crm crn crp crr cru cuc cue cui cuk cum cun cup cur cuu ec- ecc ece eci eck ecm ecn ecr ecu eec eee eek eem een eep eer eic eie eii eik eim ein eip eir eiu ekc eke eki ekp ekr eku em- emc eme emi emk emm emn emp emr emu en- enc ene eni enk enm enn enp enr enu ep- epc epe epi epm epn epp epr epu erc ere eri erk erm ern erp err eru eu- euc eue eui eun eup eur icc ice ici ick icm icn icp icr icu ie- iec iee iei iek iem ien iep ier iic iie iii iim iin iip iir iiu ikc ike iki ikk ikr iku im- imc ime imi imm imn imp imu in- inc ine ini ink inm inn inp inr inu ipc ipe ipi ipm ipn ipp ipr ipu ir- irc ire iri irk irm irn irp irr iru iu- iuc iue iui ium iup iur kcc kce kci kck kcm kcn kcp kcr kcu ke- kec kee kei kek kem ken kep ker kic kie kii kik kim kin kip kir kiu kkc kke kki kkk kkm kkn kkp kkr kku kmc kme kmi kmk kmm kmp kmu kn- knc kne kni knk knm knn knp knr knu kpc kpe kpi kpk kpm kpn kpp kpr kpu krc kri krk krn krp krr kru kuc kue kui kuk kum kun kup kur kuu m-r mc- mcc mce mci mck mcm mcn mcp mcr mcu mec mee mei mek mem men mep mer meu mi- mic mie mii mik mim min mip mir miu mkc mke mkk mkm mkn mkp mkr mku mmc mme mmi mmk mmm mmn mmp mmr mmu mnc mne mni mnk mnm mnn mnp mnr mnu mpc mpe mpi mpk mpm mpn mpp mpr mpu mrc mre mri mrk mrm mrn mrp mrr mru muc mue mui muk mum mun mup mur muu n-i ncc nce nci nck ncm ncn ncp ncr ncu ne- nec nee nei nek nem nen nep ner neu nic nie nii nik nim nin nip nir niu nkc nke nki nkk nkm nkn nkp nkr nku nmc nme nmi nmk nmm nmn nmp nmr nmu nnc nne nni nnk nnm nnn nnp nnu npc npe npi npm npn npp npr npu nrc nre nri nrk nrm nrn nrp nrr nru nuc nue nui nuk num nun nup nur nuu p-p pcc pce pci pck pcm pcn pcp pcr pcu pec pee pei pek pem pen pep per peu pic pie pii pik pim pin pip pir piu pkc pke pki pkm pkn pkp pkr pku pmc pme pmi pmk pmm pmn pmp pmr pmu pn- pnc pne pni pnk pnm pnn pnp pnr pnu ppc ppe ppi ppk ppm ppn ppp ppr ppu prc pre pri prk prm prn prp prr pru puc pue pui puk pum pun pup pur puu rcc rce rci rcm rcn rcp rcr rcu re- rec ree rei rek rem ren rep rer reu ric rie rii rik rim rin rip rir rkc rke rkk rkm rkp rku rmc rme rmi rmm rmn rmp rmr rnc rni rnm rnn rnp rnr rnu rpc rpe rpi rpk rpm rpn rpp rpr rpu rrc rri rrk rrm rrn rrp rrr rru ruc rue rui ruk rum run rup rur ruu ucc uce uci uck ucm ucn ucp ucr ucu uec uee uei uem uen uep uer uic uie uii uim uin uip uir uiu ukc uke uki ukk ukn ukp ukr uku um- umc ume umi umm umn ump umr umu un- unc une uni unk unm unn unp unr unu up- upc upe upi upk upm upn upp upr upu ur- urc ure uri urk urm urn urp urr uru uuc uue uum uun uur uuu