-er -ic c-- ccc cce cci ccl ccm ccr ccs ccu ce- cec cee cei cel cem cer ces ceu ci- cic cie cii cil cim cir cis ciu cl- clc cle cli cll clm clr cls clu cmc cme cmi cml cmm cmr cms cmu crc cre cri crl crm crr crs cru csc cse csi csl csm csr css csu cuc cue cui cul cum cur cus cuu ec- ecc ece eci ecl ecm ecr ecs ecu eec eee eel eem eer ees eic eie eii eil eim eir eis eiu elc ele eli ell elm elr els elu em- emc eme emi eml emm emr ems emu erc ere eri erl erm err ers eru es- esc ese esi esl esm esr ess esu eu- euc eue eui eul eur eus icc ice ici icl icm icr ics icu ie- iec iee iei iel iem ier ies iic iie iii iil iim iir iis iiu il- ilc ile ili ill ilm ilr ils ilu im- imc ime imi iml imm ims imu ir- irc ire iri irl irm irr irs iru is- isc ise isi isl ism isr iss isu iu- iuc iue iui ium iur ius lcc lce lci lcl lcm lcr lcs lcu lec lee lei lel lem ler les leu lic lie lii lil lim lir lis liu llc lle lli lll llm llr lls llu lmc lme lmi lml lmm lmr lms lmu lrc lri lrm lrr lrs lru lsc lse lsi lsl lsm lsr lss lsu luc lue lui lul lum lur lus luu m-r mc- mcc mce mci mcl mcm mcr mcs mcu mec mee mei mel mem mer mes meu mi- mic mie mii mil mim mir mis miu mlc mle mli mll mlm mlr mls mlu mmc mme mmi mml mmm mmr mms mmu mrc mre mri mrl mrm mrr mrs mru msc mse msi msl msm msr mss msu muc mue mui mul mum mur mus muu rcc rce rci rcl rcm rcr rcs rcu re- rec ree rei rel rem rer res reu ric rie rii ril rim rir ris rlc rle rli rll rlm rlr rls rlu rmc rme rmi rml rmm rmr rms rrc rri rrl rrm rrr rrs rru rsc rse rsi rsl rsm rsr rss rsu ruc rue rui rum rur rus ruu scc sce sci scl scm scr scs scu se- sec see sei sel sem ser ses seu sic sie sii sil sim sir sis siu slc sle sli sll slm slr sls slu smc sme smi sml smm smr sms smu sr- src sre sri srl srm srr srs ss- ssc sse ssi ssl ssm ssr sss ssu suc sue sui sul sum sur sus suu ucc uce uci ucl ucm ucr ucs ucu uec uee uei uel uem uer ues uic uie uii uil uim uir uis uiu ulc ule uli ull ulm ulr uls ulu um- umc ume umi uml umm umr ums umu ur- urc ure uri url urm urr urs uru usc use usi usl usm usr uss usu uuc uue uum uur uus uuu