-er c-- ccc cce ccg ccl ccm ccr ccu ccz ce- cec cee ceg cel cem cer ceu cez cgc cge cgg cgl cgm cgr cgu cl- clc cle clg cll clm clr clu clz cmc cme cmg cml cmm cmr cmu crc cre crg crl crm crr cru crz cuc cue cug cul cum cur cuu cuz cz- czc cze czm ec- ecc ece ecg ecl ecm ecr ecu eec eee eeg eel eem eer egc ege egg egl egm egr egu elc ele elg ell elm elr elu elz em- emc eme emg eml emm emr emu erc ere erg erl erm err eru erz eu- euc eue eug eul eur eze ezr ezz gcc gce gcg gcl gcm gcr gcu ge- gec gee geg gel gem ger geu gez ggc ggg ggm ggr ggu ggz glc gle glg gll glm glr glu glz gmc gme gmg gml gmm gmr gmz grc gre grg grl grm grr gru gu- guc gue gug gul gum gur guu guz gzr gzu lcc lce lcg lcl lcm lcr lcu lec lee leg lel lem ler leu lez lgc lge lgg lgl lgm lgr lgu llc lle llg lll llm llr llu llz lmc lme lmg lml lmm lmr lmu lrc lrg lrm lrr lru lrz luc lue lug lul lum lur luu luz lzr lzu m-r mc- mcc mce mcg mcl mcm mcr mcu mcz mec mee meg mel mem mer meu mez mgc mge mgl mgm mgr mgu mgz mlc mle mlg mll mlm mlr mlu mmc mme mmg mml mmm mmr mmu mmz mrc mre mrg mrl mrm mrr mru mrz muc mue mug mul mum mur muu mzm rcc rce rcg rcl rcm rcr rcu re- rec ree reg rel rem rer reu rez rgc rge rgg rgr rlc rle rlg rll rlm rlr rlu rmc rme rmg rml rmm rmr rrc rrg rrl rrm rrr rru ruc rue rug rum rur ruu ruz rze rzm ucc uce ucg ucl ucm ucr ucu uec uee ueg uel uem uer ugc uge ugg ugl ugm ugr ugu ulc ule ulg ull ulm ulr ulu um- umc ume umg uml umm umr umu ur- urc ure urg url urm urr uru urz uuc uue uug uum uur uuu uzu z-g zce zcl zec zee zel zem zer zez zgg zlr zmc zmm zrl zuc zug zul zum zur zuz zzr zzz