-er -ic c-- ccc cce cci ccn cco ccr ccs cct ccu ce- cec cee cei cen ceo cer ces cet ceu ci- cic cie cii cin cio cir cis cit ciu cn- cnc cne cni cnn cno cnr cns cnt cnu co- coc coe coi con coo cor cos cot cou crc cre cri crn cro crr crs crt cru csc cse csi csn cso csr css cst csu ctc cte cti ctn cto ctr cts ctt ctu cuc cue cui cun cuo cur cus cut cuu ec- ecc ece eci ecn eco ecr ecs ect ecu eec eee een eeo eer ees eet eic eie eii ein eio eir eis eit eiu en- enc ene eni enn eno enr ens ent enu eo- eoc eoe eoi eon eoo eor eos eot eou erc ere eri ern ero err ers ert eru es- esc ese esi esn eso esr ess est esu etc ete eti etn eto etr ets ett etu eu- euc eue eui eun eur eus eut icc ice ici icn ico icr ics ict icu ie- iec iee iei ien ier ies iet iic iie iii iin iio iir iis iit iiu in- inc ine ini inn ino inr ins int inu io- ioc ioe ioi ion ioo ior ios iot iou ir- irc ire iri irn iro irr irs irt iru is- isc ise isi isn iso isr iss ist isu itc ite iti itn ito its itt itu iu- iuc iue iui iur ius iut n-i ncc nce nci ncn nco ncr ncs nct ncu ne- nec nee nei nen neo ner nes net neu nic nie nii nin nio nir nis nit niu nnc nne nni nnn nno nns nnt nnu no- noc noe noi non noo nor nos not nou nrc nre nri nrn nro nrr nrs nrt nru nsc nse nsi nsn nso nsr nss nst nsu ntc nte nti ntn nto ntr nts ntt ntu nuc nue nui nun nuo nur nus nut nuu o-i oc- occ oci ocn oco ocr ocs oct ocu oec oee oei oen oeo oer oes oet oic oie oii oin oio oir ois oit oiu on- onc one oni onn ono onr ons ont onu oo- ooc ooi oon ooo oor oos oot or- orc ore ori orn oro orr ors ort oru os- osc ose osi osn oso osr oss ost osu ot- otc ote oti otn oto otr ots ott otu ou- ouc oue oui oun ouo our ous out rcc rce rci rcn rco rcr rcs rct rcu re- rec ree rei ren reo rer res ret reu ric rie rii rin rio rir ris rit rnc rni rnn rno rnr rns rnt rnu roc roe roi ron roo ror ros rot rou rrc rri rrn rrr rrs rrt rru rsc rse rsi rsn rso rsr rss rst rsu rtc rte rti rtn rto rtr rts rtt rtu ruc rue rui run ruo rur rus rut ruu scc sce sci scn sco scr scs sct scu se- sec see sei sen seo ser ses set seu sic sie sii sin sio sir sis sit siu snc sne sni snn sno snr sns snt snu soc soe soi son soo sor sos sot sou sr- src sre sri srn sro srr srs srt ss- ssc sse ssi ssn sso ssr sss sst ssu stc ste sti stn sto str sts stt stu suc sue sui sun suo sur sus sut suu tcc tce tci tcn tco tcr tcs tct tcu te- tec tee tei ten teo ter tes tet teu tic tie tii tin tio tir tis tit tiu tnc tne tni tnn tno tnr tns tnt to- toc toe toi ton too tor tos tot tou trc tre tri trn tro trr trs trt tru tsc tse tsi tsn tso tsr tss tst tsu ttc tte tti ttn tto ttr tts ttt ttu tuc tue tui tun tuo tur tus tut tuu ucc uce uci ucn uco ucr ucs uct ucu uec uee uei uen uer ues uet uic uie uii uin uio uir uis uit uiu un- unc une uni unn uno unr uns unt unu uoc uoe uon uoo uor uos uot ur- urc ure uri urn uro urr urs urt uru usc use usi usn uso usr uss ust usu utc ute uti utn uto utr uts utt utu uuc uue uun uur uus uut uuu