-ic c-- ccc cci cck ccn cco ccp ccs ci- cic cii cik cin cio cip cis ckc cki cko cks cky cn- cnc cni cnn cno cnp cns cny co- coc coi cok con coo cop cos coy cpc cpi cpk cpn cpo cpp cps csc csi csk csn cso csp css csy cyc cyk cyn cyo cyp cys icc ici ick icn ico icp ics icy iic iii iin iio iip iis ikc iki ikk iko iks in- inc ini ink inn ino inp ins iny io- ioc ioi ion ioo iop ios ipc ipi ipn ipo ipp ips ipy is- isc isi isk isn iso isp iss isy iyc iyo iys iyy kcc kci kck kcn kcp kcs kic kii kik kin kio kip kis kkc kki kkk kkn kkp kks kky kn- knc kni knk knn kno knp koc koi kok kon koo kop kos koy kpc kpi kpk kpn kpo kpp kps ksc ksi ksk ksn kso ksp kss kyc kyn kyo kyp kys n-i ncc nci nck ncn nco ncp ncs nic nii nik nin nio nip nis nkc nki nkk nkn nko nkp nks nky nnc nni nnk nnn nno nnp nns no- noc noi nok non noo nop nos noy npc npi npn npo npp nps nsc nsi nsk nsn nso nsp nss nsy nyc nyk nyn nyo nyp nys nyy o-i oc- occ oci ock ocn oco ocp ocs oic oii oik oin oio oip ois okc oki okk oko okp oks on- onc oni onk onn ono onp ons ony oo- ooc ooi ook oon ooo oop oos op- opc opi opk opn opo opp ops opy os- osc osi osk osn oso osp oss oyi oyo oys p-p pcc pci pck pcn pco pcp pcs pic pii pik pin pio pip pis pkc pki pkn pko pkp pks pky pn- pnc pni pnk pnn pno pnp pns pny poc poi pok pon poo pop pos poy ppc ppi ppk ppn ppo ppp pps ps- psc psi psk psn pso psp pss psy py- pyc pyk pyn pyo pys scc sci sck scn sco scp scs sic sii sik sin sio sip sis sk- skc ski skk sko skp sks sky snc sni snk snn sno snp sns sny soc soi sok son soo sop sos soy spc spi spk spn spo spp sps spy ss- ssc ssi ssk ssn sso ssp sss sy- syc syi syk syn syp sys ycc yci yco ycp ycs ycy yii yin yio yip yis yki ykk ykn ynk ynn ynp yns yny yoc yoi yok yon yoo yop yos yoy ypo yps ysc ysi ysk yso ysp yss ysy yyc yys yyy