-er -ic c-- ccc cce cci cck ccn cco ccr ccs cct ccu ce- cec cee cei cek cen ceo cer ces cet ceu ci- cic cie cii cik cin cio cir cis cit ciu ckc cki cko cks ckt cn- cnc cne cni cnn cno cnr cns cnt cnu co- coc coe coi cok con coo cor cos cot cou crc cre cri crk crn cro crr crs crt cru csc cse csi csk csn cso csr css cst csu ctc cte cti ctk ctn cto ctr cts ctt ctu cuc cue cui cuk cun cuo cur cus cut cuu ec- ecc ece eci eck ecn eco ecr ecs ect ecu eec eee eek een eeo eer ees eet eic eie eii eik ein eio eir eis eit eiu ekc eke eki eko ekr eks ekt eku en- enc ene eni enk enn eno enr ens ent enu eo- eoc eoe eoi eok eon eoo eor eos eot eou erc ere eri erk ern ero err ers ert eru es- esc ese esi esk esn eso esr ess est esu etc ete eti etk etn eto etr ets ett etu eu- euc eue eui eun eur eus eut icc ice ici ick icn ico icr ics ict icu ie- iec iee iei iek ien ier ies iet iic iie iii iin iio iir iis iit iiu ikc ike iki ikk iko ikr iks ikt iku in- inc ine ini ink inn ino inr ins int inu io- ioc ioe ioi ion ioo ior ios iot iou ir- irc ire iri irk irn iro irr irs irt iru is- isc ise isi isk isn iso isr iss ist isu itc ite iti itk itn ito its itt itu iu- iuc iue iui iur ius iut k-t kcc kce kci kck kcn kcr kcs kct kcu ke- kec kee kei kek ken keo ker kes ket kic kie kii kik kin kio kir kis kit kiu kkc kke kki kkk kkn kkr kks kkt kku kn- knc kne kni knk knn kno knr knt knu koc koe koi kok kon koo kor kos kot kou krc kri krk krn kro krr krs krt kru ksc kse ksi ksk ksn kso ksr kss kst ksu ktc kte ktk ktn kto ktr kts ktt ktu kuc kue kui kuk kun kur kus kut kuu n-i ncc nce nci nck ncn nco ncr ncs nct ncu ne- nec nee nei nek nen neo ner nes net neu nic nie nii nik nin nio nir nis nit niu nkc nke nki nkk nkn nko nkr nks nkt nku nnc nne nni nnk nnn nno nns nnt nnu no- noc noe noi nok non noo nor nos not nou nrc nre nri nrk nrn nro nrr nrs nrt nru nsc nse nsi nsk nsn nso nsr nss nst nsu ntc nte nti ntk ntn nto ntr nts ntt ntu nuc nue nui nuk nun nuo nur nus nut nuu o-i oc- occ oci ock ocn oco ocr ocs oct ocu oec oee oei oen oeo oer oes oet oic oie oii oik oin oio oir ois oit oiu okc oke oki okk oko okr oks oku on- onc one oni onk onn ono onr ons ont onu oo- ooc ooi ook oon ooo oor oos oot or- orc ore ori ork orn oro orr ors ort oru os- osc ose osi osk osn oso osr oss ost osu ot- otc ote oti otk otn oto otr ots ott otu ou- ouc oue oui ouk oun ouo our ous out rcc rce rci rcn rco rcr rcs rct rcu re- rec ree rei rek ren reo rer res ret reu ric rie rii rik rin rio rir ris rit rkc rke rkk rko rks rkt rku rnc rni rnn rno rnr rns rnt rnu roc roe roi rok ron roo ror ros rot rou rrc rri rrk rrn rrr rrs rrt rru rsc rse rsi rsk rsn rso rsr rss rst rsu rtc rte rti rtk rtn rto rtr rts rtt rtu ruc rue rui ruk run ruo rur rus rut ruu scc sce sci sck scn sco scr scs sct scu se- sec see sei sek sen seo ser ses set seu sic sie sii sik sin sio sir sis sit siu sk- skc ske ski skk sko skr sks skt sku snc sne sni snk snn sno snr sns snt snu soc soe soi sok son soo sor sos sot sou sr- src sre sri srk srn sro srr srs srt ss- ssc sse ssi ssk ssn sso ssr sss sst ssu stc ste sti stk stn sto str sts stt stu suc sue sui suk sun suo sur sus sut suu tcc tce tci tck tcn tco tcr tcs tct tcu te- tec tee tei tek ten teo ter tes tet teu tic tie tii tik tin tio tir tis tit tiu tkc tke tkk tko tkr tks tkt tnc tne tni tnk tnn tno tnr tns tnt to- toc toe toi tok ton too tor tos tot tou trc tre tri trk trn tro trr trs trt tru tsc tse tsi tsk tsn tso tsr tss tst tsu ttc tte tti ttk ttn tto ttr tts ttt ttu tuc tue tui tuk tun tuo tur tus tut tuu ucc uce uci uck ucn uco ucr ucs uct ucu uec uee uei uen uer ues uet uic uie uii uin uio uir uis uit uiu ukc uke uki ukk ukn ukr uku un- unc une uni unk unn uno unr uns unt unu uoc uoe uok uon uoo uor uos uot ur- urc ure uri urk urn uro urr urs urt uru usc use usi usk usn uso usr uss ust usu utc ute uti utk utn uto utr uts utt utu uuc uue uun uur uus uut uuu