-ic c-- ccc cci ccn cco ccp ccs cct ci- cic cii cin cio cip cis cit cn- cnc cni cnn cno cnp cns cnt co- coc coi con coo cop cos cot cpc cpi cpn cpo cpp cps cpt csc csi csn cso csp css cst ctc cti ctn cto ctp cts ctt icc ici icn ico icp ics ict iic iii iin iio iip iis iit in- inc ini inn ino inp ins int io- ioc ioi ion ioo iop ios iot ipc ipi ipn ipo ipp ips ipt is- isc isi isn iso isp iss ist itc iti itn ito itp its itt n-i ncc nci ncn nco ncp ncs nct nic nii nin nio nip nis nit nnc nni nnn nno nnp nns nnt no- noc noi non noo nop nos not npc npi npn npo npp nps npt nsc nsi nsn nso nsp nss nst ntc nti ntn nto ntp nts ntt o-i oc- occ oci ocn oco ocp ocs oct oic oii oin oio oip ois oit on- onc oni onn ono onp ons ont oo- ooc ooi oon ooo oop oos oot op- opc opi opn opo opp ops opt os- osc osi osn oso osp oss ost ot- otc oti otn oto otp ots ott p-p pcc pci pcn pco pcp pcs pct pic pii pin pio pip pis pit pn- pnc pni pnn pno pnp pns pnt poc poi pon poo pop pos pot ppc ppi ppn ppo ppp pps ppt ps- psc psi psn pso psp pss pst pt- ptc pti ptn pto ptp pts ptt scc sci scn sco scp scs sct sic sii sin sio sip sis sit snc sni snn sno snp sns snt soc soi son soo sop sos sot spc spi spn spo spp sps spt ss- ssc ssi ssn sso ssp sss sst stc sti stn sto stp sts stt tcc tci tcn tco tcp tcs tct tic tii tin tio tip tis tit tnc tni tnn tno tnp tns tnt to- toc toi ton too top tos tot tpc tpi tpn tpo tpp tps tpt tsc tsi tsn tso tsp tss tst ttc tti ttn tto ttp tts ttt