-ic c-- ccc cci ccn cco ccr ccs cct ci- cic cii cin cio cir cis cit cn- cnc cni cnn cno cnr cns cnt co- coc coi con coo cor cos cot crc cri crn cro crr crs crt csc csi csn cso csr css cst ctc cti ctn cto ctr cts ctt icc ici icn ico icr ics ict iic iii iin iio iir iis iit in- inc ini inn ino inr ins int io- ioc ioi ion ioo ior ios iot ir- irc iri irn iro irr irs irt is- isc isi isn iso isr iss ist itc iti itn ito its itt n-i ncc nci ncn nco ncr ncs nct nic nii nin nio nir nis nit nnc nni nnn nno nns nnt no- noc noi non noo nor nos not nrc nri nrn nro nrr nrs nrt nsc nsi nsn nso nsr nss nst ntc nti ntn nto ntr nts ntt o-i oc- occ oci ocn oco ocr ocs oct oic oii oin oio oir ois oit on- onc oni onn ono onr ons ont oo- ooc ooi oon ooo oor oos oot or- orc ori orn oro orr ors ort os- osc osi osn oso osr oss ost ot- otc oti otn oto otr ots ott rcc rci rcn rco rcr rcs rct ric rii rin rio rir ris rit rnc rni rnn rno rnr rns rnt roc roi ron roo ror ros rot rrc rri rrn rrr rrs rrt rsc rsi rsn rso rsr rss rst rtc rti rtn rto rtr rts rtt scc sci scn sco scr scs sct sic sii sin sio sir sis sit snc sni snn sno snr sns snt soc soi son soo sor sos sot sr- src sri srn sro srr srs srt ss- ssc ssi ssn sso ssr sss sst stc sti stn sto str sts stt tcc tci tcn tco tcr tcs tct tic tii tin tio tir tis tit tnc tni tnn tno tnr tns tnt to- toc toi ton too tor tos tot trc tri trn tro trr trs trt tsc tsi tsn tso tsr tss tst ttc tti ttn tto ttr tts ttt