-er -ic -ol c-- ccc cce cci ccl cco ccr ccs cct ccu ce- cec cee cei cel ceo cer ces cet ceu ci- cic cie cii cil cio cir cis cit ciu cl- clc cle cli cll clo clr cls clt clu co- coc coe coi col coo cor cos cot cou crc cre cri crl cro crr crs crt cru csc cse csi csl cso csr css cst csu ctc cte cti ctl cto ctr cts ctt ctu cuc cue cui cul cuo cur cus cut cuu ec- ecc ece eci ecl eco ecr ecs ect ecu eec eee eel eeo eer ees eet eic eie eii eil eio eir eis eit eiu elc ele eli ell elo elr els elt elu eo- eoc eoe eoi eol eoo eor eos eot eou erc ere eri erl ero err ers ert eru es- esc ese esi esl eso esr ess est esu etc ete eti etl eto etr ets ett etu eu- euc eue eui eul eur eus eut icc ice ici icl ico icr ics ict icu ie- iec iee iei iel ier ies iet iic iie iii iil iio iir iis iit iiu il- ilc ile ili ill ilo ilr ils ilt ilu io- ioc ioe ioi iol ioo ior ios iot iou ir- irc ire iri irl iro irr irs irt iru is- isc ise isi isl iso isr iss ist isu itc ite iti itl ito its itt itu iu- iuc iue iui iur ius iut lcc lce lci lcl lco lcr lcs lct lcu lec lee lei lel leo ler les let leu lic lie lii lil lio lir lis lit liu llc lle lli lll llo llr lls llt llu loc loe loi lol loo lor los lot lou lrc lri lro lrr lrs lrt lru lsc lse lsi lsl lso lsr lss lst lsu ltc lte lti ltl lto ltr lts ltt ltu luc lue lui lul luo lur lus lut luu o-i oc- occ oci ocl oco ocr ocs oct ocu oec oee oei oel oeo oer oes oet oic oie oii oil oio oir ois oit oiu olc ole oli oll olo ols olt olu oo- ooc ooi ool ooo oor oos oot or- orc ore ori orl oro orr ors ort oru os- osc ose osi osl oso osr oss ost osu ot- otc ote oti otl oto otr ots ott otu ou- ouc oue oui oul ouo our ous out rcc rce rci rcl rco rcr rcs rct rcu re- rec ree rei rel reo rer res ret reu ric rie rii ril rio rir ris rit rlc rle rli rll rlo rlr rls rlt rlu roc roe roi rol roo ror ros rot rou rrc rri rrl rrr rrs rrt rru rsc rse rsi rsl rso rsr rss rst rsu rtc rte rti rtl rto rtr rts rtt rtu ruc rue rui ruo rur rus rut ruu scc sce sci scl sco scr scs sct scu se- sec see sei sel seo ser ses set seu sic sie sii sil sio sir sis sit siu slc sle sli sll slo slr sls slt slu soc soe soi sol soo sor sos sot sou sr- src sre sri srl sro srr srs srt ss- ssc sse ssi ssl sso ssr sss sst ssu stc ste sti stl sto str sts stt stu suc sue sui sul suo sur sus sut suu tcc tce tci tcl tco tcr tcs tct tcu te- tec tee tei tel teo ter tes tet teu tic tie tii til tio tir tis tit tiu tlc tle tli tll tlo tlr tls tlt tlu to- toc toe toi tol too tor tos tot tou trc tre tri trl tro trr trs trt tru tsc tse tsi tsl tso tsr tss tst tsu ttc tte tti ttl tto ttr tts ttt ttu tuc tue tui tul tuo tur tus tut tuu ucc uce uci ucl uco ucr ucs uct ucu uec uee uei uel uer ues uet uic uie uii uil uio uir uis uit uiu ulc ule uli ull ulo ulr uls ult ulu uoc uoe uol uoo uor uos uot ur- urc ure uri url uro urr urs urt uru usc use usi usl uso usr uss ust usu utc ute uti utl uto utr uts utt utu uuc uue uur uus uut uuu