-ic c-- ccc cci cck ccn cco ccr ccs cct ci- cic cii cik cin cio cir cis cit ckc cki cko cks ckt cn- cnc cni cnn cno cnr cns cnt co- coc coi cok con coo cor cos cot crc cri crk crn cro crr crs crt csc csi csk csn cso csr css cst ctc cti ctk ctn cto ctr cts ctt icc ici ick icn ico icr ics ict iic iii iin iio iir iis iit ikc iki ikk iko ikr iks ikt in- inc ini ink inn ino inr ins int io- ioc ioi ion ioo ior ios iot ir- irc iri irk irn iro irr irs irt is- isc isi isk isn iso isr iss ist itc iti itk itn ito its itt k-t kcc kci kck kcn kcr kcs kct kic kii kik kin kio kir kis kit kkc kki kkk kkn kkr kks kkt kn- knc kni knk knn kno knr knt koc koi kok kon koo kor kos kot krc kri krk krn kro krr krs krt ksc ksi ksk ksn kso ksr kss kst ktc ktk ktn kto ktr kts ktt n-i ncc nci nck ncn nco ncr ncs nct nic nii nik nin nio nir nis nit nkc nki nkk nkn nko nkr nks nkt nnc nni nnk nnn nno nns nnt no- noc noi nok non noo nor nos not nrc nri nrk nrn nro nrr nrs nrt nsc nsi nsk nsn nso nsr nss nst ntc nti ntk ntn nto ntr nts ntt o-i oc- occ oci ock ocn oco ocr ocs oct oic oii oik oin oio oir ois oit okc oki okk oko okr oks on- onc oni onk onn ono onr ons ont oo- ooc ooi ook oon ooo oor oos oot or- orc ori ork orn oro orr ors ort os- osc osi osk osn oso osr oss ost ot- otc oti otk otn oto otr ots ott rcc rci rcn rco rcr rcs rct ric rii rik rin rio rir ris rit rkc rkk rko rks rkt rnc rni rnn rno rnr rns rnt roc roi rok ron roo ror ros rot rrc rri rrk rrn rrr rrs rrt rsc rsi rsk rsn rso rsr rss rst rtc rti rtk rtn rto rtr rts rtt scc sci sck scn sco scr scs sct sic sii sik sin sio sir sis sit sk- skc ski skk sko skr sks skt snc sni snk snn sno snr sns snt soc soi sok son soo sor sos sot sr- src sri srk srn sro srr srs srt ss- ssc ssi ssk ssn sso ssr sss sst stc sti stk stn sto str sts stt tcc tci tck tcn tco tcr tcs tct tic tii tik tin tio tir tis tit tkc tkk tko tkr tks tkt tnc tni tnk tnn tno tnr tns tnt to- toc toi tok ton too tor tos tot trc tri trk trn tro trr trs trt tsc tsi tsk tsn tso tsr tss tst ttc tti ttk ttn tto ttr tts ttt