-er -ic -up c-- ccc cce cci ccn cco ccp ccr ccs ccu ce- cec cee cei cen ceo cep cer ces ceu ci- cic cie cii cin cio cip cir cis ciu cn- cnc cne cni cnn cno cnp cnr cns cnu co- coc coe coi con coo cop cor cos cou cpc cpe cpi cpn cpo cpp cpr cps cpu crc cre cri crn cro crp crr crs cru csc cse csi csn cso csp csr css csu cuc cue cui cun cuo cup cur cus cuu ec- ecc ece eci ecn eco ecr ecs ecu eec eee een eeo eep eer ees eic eie eii ein eio eip eir eis eiu en- enc ene eni enn eno enp enr ens enu eo- eoc eoe eoi eon eoo eop eor eos eou ep- epc epe epi epn epo epp epr eps epu erc ere eri ern ero erp err ers eru es- esc ese esi esn eso esp esr ess esu eu- euc eue eui eun eup eur eus icc ice ici icn ico icp icr ics icu ie- iec iee iei ien iep ier ies iic iie iii iin iio iip iir iis iiu in- inc ine ini inn ino inp inr ins inu io- ioc ioe ioi ion ioo iop ior ios iou ipc ipe ipi ipn ipo ipp ipr ips ipu ir- irc ire iri irn iro irp irr irs iru is- isc ise isi isn iso isp isr iss isu iu- iuc iue iui iup iur ius n-i ncc nce nci ncn nco ncp ncr ncs ncu ne- nec nee nei nen neo nep ner nes neu nic nie nii nin nio nip nir nis niu nnc nne nni nnn nno nnp nns nnu no- noc noe noi non noo nop nor nos nou npc npe npi npn npo npp npr nps npu nrc nre nri nrn nro nrp nrr nrs nru nsc nse nsi nsn nso nsp nsr nss nsu nuc nue nui nun nuo nup nur nus nuu o-i oc- occ oci ocn oco ocp ocr ocs ocu oec oee oei oen oeo oep oer oes oic oie oii oin oio oip oir ois oiu on- onc one oni onn ono onp onr ons onu oo- ooc ooi oon ooo oop oor oos op- opc ope opi opn opo opp opr ops or- orc ore ori orn oro orp orr ors oru os- osc ose osi osn oso osp osr oss osu ou- ouc oue oui oun ouo oup our ous p-p pcc pce pci pcn pco pcp pcr pcs pcu pec pee pei pen peo pep per pes peu pic pie pii pin pio pip pir pis piu pn- pnc pne pni pnn pno pnp pnr pns pnu poc poe poi pon poo pop por pos pou ppc ppe ppi ppn ppo ppp ppr pps ppu prc pre pri prn pro prp prr prs pru ps- psc pse psi psn pso psp psr pss psu puc pue pui pun pup pur pus puu rcc rce rci rcn rco rcp rcr rcs rcu re- rec ree rei ren reo rep rer res reu ric rie rii rin rio rip rir ris rnc rni rnn rno rnp rnr rns rnu roc roe roi ron roo rop ror ros rou rpc rpe rpi rpn rpo rpp rpr rps rpu rrc rri rrn rrp rrr rrs rru rsc rse rsi rsn rso rsp rsr rss rsu ruc rue rui run ruo rup rur rus ruu scc sce sci scn sco scp scr scs scu se- sec see sei sen seo sep ser ses seu sic sie sii sin sio sip sir sis siu snc sne sni snn sno snp snr sns snu soc soe soi son soo sop sor sos sou spc spe spi spn spo spp spr sps spu sr- src sre sri srn sro srp srr srs ss- ssc sse ssi ssn sso ssp ssr sss ssu suc sue sui sun suo sup sur sus suu ucc uce uci ucn uco ucp ucr ucs ucu uec uee uei uen uep uer ues uic uie uii uin uio uip uir uis uiu un- unc une uni unn uno unp unr uns unu uoc uoe uon uoo uop uor uos up- upc upe upi upn upo upp upr ups upu ur- urc ure uri urn uro urp urr urs uru usc use usi usn uso usp usr uss usu uuc uue uun uur uus uuu