-er -ol c-- c-j ccc cce ccj ccl cco ccr ccs ccu ce- cec cee cej cel ceo cer ces ceu cjc cjr cjs cl- clc cle clj cll clo clr cls clu co- coc coe coj col coo cor cos cou crc cre crj crl cro crr crs cru csc cse csj csl cso csr css csu cuc cue cul cuo cur cus cuu ec- ecc ece ecj ecl eco ecr ecs ecu eec eee eel eeo eer ees ejc ejl ejo eju elc ele ell elo elr els elu eo- eoc eoe eol eoo eor eos eou erc ere erl ero err ers eru es- esc ese esl eso esr ess esu eu- euc eue euj eul eur eus jcc jce jcl jco jcr jcs jcu jec jee jej jel jeo jer jes jeu jjc jjj jjl jjr jjs jju jlc jle jll jlo jlr jls jlu joc joe joj jol joo jor jos jou jrc jrl jro jrr jrs jsc jse jsj jsl jso jsr jss jsu jue jul juo jur jus lcc lce lcj lcl lco lcr lcs lcu lec lee lej lel leo ler les leu lje ljj ljs lju llc lle llj lll llo llr lls llu loc loe loj lol loo lor los lou lrc lro lrr lrs lru lsc lse lsj lsl lso lsr lss lsu luc lue lul luo lur lus luu oc- occ ocj ocl oco ocr ocs ocu oec oee oel oeo oer oes ojc oje ojo ojs oju olc ole oll olo ols olu oo- ooc ool ooo oor oos or- orc ore orl oro orr ors oru os- osc ose osj osl oso osr oss osu ou- ouc oue oul ouo our ous rcc rce rcj rcl rco rcr rcs rcu re- rec ree rel reo rer res reu rjc rjr rlc rle rll rlo rlr rls rlu roc roe roj rol roo ror ros rou rrc rrl rrr rrs rru rsc rse rsj rsl rso rsr rss rsu ruc rue ruo rur rus ruu scc sce scj scl sco scr scs scu se- sec see sej sel seo ser ses seu sjc sje sjj sjr sjs sju slc sle slj sll slo slr sls slu soc soe soj sol soo sor sos sou sr- src sre srj srl sro srr srs ss- ssc sse ssj ssl sso ssr sss ssu suc sue sul suo sur sus suu ucc uce ucj ucl uco ucr ucs ucu uec uee uel uer ues ujc ujo ujs ulc ule ull ulo ulr uls ulu uoc uoe uoj uol uoo uor uos ur- urc ure url uro urr urs uru usc use usj usl uso usr uss usu uuc uue uur uus uuu