-er -ic -ol c-- ccc cce cci ccl cco ccr ccs ccu ce- cec cee cei cel ceo cer ces ceu ci- cic cie cii cil cio cir cis ciu cl- clc cle cli cll clo clr cls clu co- coc coe coi col coo cor cos cou crc cre cri crl cro crr crs cru csc cse csi csl cso csr css csu cuc cue cui cul cuo cur cus cuu ec- ecc ece eci ecl eco ecr ecs ecu eec eee eel eeo eer ees eic eie eii eil eio eir eis eiu elc ele eli ell elo elr els elu eo- eoc eoe eoi eol eoo eor eos eou erc ere eri erl ero err ers eru es- esc ese esi esl eso esr ess esu eu- euc eue eui eul eur eus icc ice ici icl ico icr ics icu ie- iec iee iei iel ier ies iic iie iii iil iio iir iis iiu il- ilc ile ili ill ilo ilr ils ilu io- ioc ioe ioi iol ioo ior ios iou ir- irc ire iri irl iro irr irs iru is- isc ise isi isl iso isr iss isu iu- iuc iue iui iur ius lcc lce lci lcl lco lcr lcs lcu lec lee lei lel leo ler les leu lic lie lii lil lio lir lis liu llc lle lli lll llo llr lls llu loc loe loi lol loo lor los lou lrc lri lro lrr lrs lru lsc lse lsi lsl lso lsr lss lsu luc lue lui lul luo lur lus luu o-i oc- occ oci ocl oco ocr ocs ocu oec oee oei oel oeo oer oes oic oie oii oil oio oir ois oiu olc ole oli oll olo ols olu oo- ooc ooi ool ooo oor oos or- orc ore ori orl oro orr ors oru os- osc ose osi osl oso osr oss osu ou- ouc oue oui oul ouo our ous rcc rce rci rcl rco rcr rcs rcu re- rec ree rei rel reo rer res reu ric rie rii ril rio rir ris rlc rle rli rll rlo rlr rls rlu roc roe roi rol roo ror ros rou rrc rri rrl rrr rrs rru rsc rse rsi rsl rso rsr rss rsu ruc rue rui ruo rur rus ruu scc sce sci scl sco scr scs scu se- sec see sei sel seo ser ses seu sic sie sii sil sio sir sis siu slc sle sli sll slo slr sls slu soc soe soi sol soo sor sos sou sr- src sre sri srl sro srr srs ss- ssc sse ssi ssl sso ssr sss ssu suc sue sui sul suo sur sus suu ucc uce uci ucl uco ucr ucs ucu uec uee uei uel uer ues uic uie uii uil uio uir uis uiu ulc ule uli ull ulo ulr uls ulu uoc uoe uol uoo uor uos ur- urc ure uri url uro urr urs uru usc use usi usl uso usr uss usu uuc uue uur uus uuu