-er c-- ccc cce ccm ccn ccr cct ccu ce- cec cee cem cen cer cet ceu cmc cme cmm cmn cmr cmt cmu cn- cnc cne cnm cnn cnr cnt cnu crc cre crm crn crr crt cru ctc cte ctm ctn ctr ctt ctu cuc cue cum cun cur cut cuu ec- ecc ece ecm ecn ecr ect ecu eec eee eem een eer eet em- emc eme emm emn emr emt emu en- enc ene enm enn enr ent enu erc ere erm ern err ert eru etc ete etm etn etr ett etu eu- euc eue eun eur eut m-r mc- mcc mce mcm mcn mcr mct mcu mec mee mem men mer met meu mmc mme mmm mmn mmr mmt mmu mnc mne mnm mnn mnr mnt mnu mrc mre mrm mrn mrr mrt mru mtc mte mtm mtn mtr mtt mtu muc mue mum mun mur mut muu ncc nce ncm ncn ncr nct ncu ne- nec nee nem nen ner net neu nmc nme nmm nmn nmr nmt nmu nnc nne nnm nnn nnt nnu nrc nre nrm nrn nrr nrt nru ntc nte ntm ntn ntr ntt ntu nuc nue num nun nur nut nuu rcc rce rcm rcn rcr rct rcu re- rec ree rem ren rer ret reu rmc rme rmm rmn rmr rmt rnc rnm rnn rnr rnt rnu rrc rrm rrn rrr rrt rru rtc rte rtm rtn rtr rtt rtu ruc rue rum run rur rut ruu tcc tce tcm tcn tcr tct tcu te- tec tee tem ten ter tet teu tmc tme tmm tmn tmr tmt tmu tnc tne tnm tnn tnr tnt trc tre trm trn trr trt tru ttc tte ttm ttn ttr ttt ttu tuc tue tum tun tur tut tuu ucc uce ucm ucn ucr uct ucu uec uee uem uen uer uet um- umc ume umm umn umr umt umu un- unc une unm unn unr unt unu ur- urc ure urm urn urr urt uru utc ute utm utn utr utt utu uuc uue uum uun uur uut uuu