-er -ic c-- ccc cce cci ccl ccm ccr ccs ccu ccx ce- cec cee cei cel cem cer ces ceu cex ci- cic cie cii cil cim cir cis ciu cix cl- clc cle cli cll clm clr cls clu clx cmc cme cmi cml cmm cmr cms cmu cmx crc cre cri crl crm crr crs cru crx csc cse csi csl csm csr css csu csx cuc cue cui cul cum cur cus cuu cxc cxi cxl cxr cxs cxx ec- ecc ece eci ecl ecm ecr ecs ecu ecx eec eee eel eem eer ees eex eic eie eii eil eim eir eis eiu eix elc ele eli ell elm elr els elu elx em- emc eme emi eml emm emr ems emu emx erc ere eri erl erm err ers eru es- esc ese esi esl esm esr ess esu esx eu- euc eue eui eul eur eus eux ex- exc exe exi exl exr exs exu exx icc ice ici icl icm icr ics icu ie- iec iee iei iel iem ier ies iex iic iie iii iil iim iir iis iiu iix il- ilc ile ili ill ilm ilr ils ilu ilx im- imc ime imi iml imm ims imu imx ir- irc ire iri irl irm irr irs iru irx is- isc ise isi isl ism isr iss isu iu- iuc iue iui ium iur ius ixc ixe ixi ixl lcc lce lci lcl lcm lcr lcs lcu lcx lec lee lei lel lem ler les leu lex lic lie lii lil lim lir lis liu lix 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 lux lxc lxi lxr lxx m-r mc- mcc mce mci mcl mcm mcr mcs mcu mcx mec mee mei mel mem mer mes meu mex mi- mic mie mii mil mim mir mis miu mix mlc mle mli mll mlm mlr mls mlu mlx mmc mme mmi mml mmm mmr mms mmu mmx mrc mre mri mrl mrm mrr mrs mru mrx msc mse msi msl msm msr mss msu msx muc mue mui mul mum mur mus muu mux mxc mxi mxl mxr mxs mxu rcc rce rci rcl rcm rcr rcs rcu rcx re- rec ree rei rel rem rer res reu rex ric rie rii ril rim rir ris rix rlc rle rli rll rlm rlr rls rlu rmc rme rmi rml rmm rmr rms rmx rrc rri rrl rrm rrr rrs rru rsc rse rsi rsl rsm rsr rss rsu rsx ruc rue rui rum rur rus ruu rux rxr rxs scc sce sci scl scm scr scs scu scx se- sec see sei sel sem ser ses seu sex sic sie sii sil sim sir sis siu six slc sle sli sll slm slr sls slu slx smc sme smi sml smm smr sms smu smx sr- src sre sri srl srm srr srs srx ss- ssc sse ssi ssl ssm ssr sss ssu ssx suc sue sui sul sum sur sus suu sux sxc sxi sxl sxm sxs sxu 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 urx usc use usi usl usm usr uss usu usx uuc uue uum uur uus uuu uxc uxr uxu xci xcl xcr xcx xee xel xem xer xes xeu xex xic xie xii xis xiu xix xli xlm xlr xls xmc xmi xml xmm xmr xms xmu xmx xrc xrx xsc xsi xsl xsm xss xue xui xul xus xxi xxl xxx