-er -ic -up c-- ccc cce cci ccm ccp ccr ccu ce- cec cee cei cem cep cer ceu ci- cic cie cii cim cip cir ciu cmc cme cmi cmm cmp cmr cmu cpc cpe cpi cpm cpp cpr cpu crc cre cri crm crp crr cru cuc cue cui cum cup cur cuu ec- ecc ece eci ecm ecr ecu eec eee eem eep eer eic eie eii eim eip eir eiu em- emc eme emi emm emp emr emu ep- epc epe epi epm epp epr epu erc ere eri erm erp err eru eu- euc eue eui eup eur icc ice ici icm icp icr icu ie- iec iee iei iem iep ier iic iie iii iim iip iir iiu im- imc ime imi imm imp imu ipc ipe ipi ipm ipp ipr ipu ir- irc ire iri irm irp irr iru iu- iuc iue iui ium iup iur m-r mc- mcc mce mci mcm mcp mcr mcu mec mee mei mem mep mer meu mi- mic mie mii mim mip mir miu mmc mme mmi mmm mmp mmr mmu mpc mpe mpi mpm mpp mpr mpu mrc mre mri mrm mrp mrr mru muc mue mui mum mup mur muu p-p pcc pce pci pcm pcp pcr pcu pec pee pei pem pep per peu pic pie pii pim pip pir piu pmc pme pmi pmm pmp pmr pmu ppc ppe ppi ppm ppp ppr ppu prc pre pri prm prp prr pru puc pue pui pum pup pur puu rcc rce rci rcm rcp rcr rcu re- rec ree rei rem rep rer reu ric rie rii rim rip rir rmc rme rmi rmm rmp rmr rpc rpe rpi rpm rpp rpr rpu rrc rri rrm rrp rrr rru ruc rue rui rum rup rur ruu ucc uce uci ucm ucp ucr ucu uec uee uei uem uep uer uic uie uii uim uip uir uiu um- umc ume umi umm ump umr umu up- upc upe upi upm upp upr upu ur- urc ure uri urm urp urr uru uuc uue uum uur uuu