-ic c-- ccc cci ccn cco ccp ccs ccx ci- cic cii cin cio cip cis cix cn- cnc cni cnn cno cnp cns cnx cny co- coc coi con coo cop cos cox coy cpc cpi cpn cpo cpp cps cpx csc csi csn cso csp css csx csy cxc cxi cxo cxp cxs cxx cyc cyn cyo cyp cys icc ici icn ico icp ics icy iic iii iin iio iip iis iix in- inc ini inn ino inp ins inx iny io- ioc ioi ion ioo iop ios ipc ipi ipn ipo ipp ips ipx ipy is- isc isi isn iso isp iss isy ixc ixi ixn ixy iyc iyo iys iyy n-i ncc nci ncn nco ncp ncs ncx nic nii nin nio nip nis nix nnc nni nnn nno nnp nns no- noc noi non noo nop nos nox noy npc npi npn npo npp nps nsc nsi nsn nso nsp nss nsx nsy nxc nyc nyn nyo nyp nys nyx nyy o-i oc- occ oci ocn oco ocp ocs ocx oic oii oin oio oip ois on- onc oni onn ono onp ons onx ony oo- ooc ooi oon ooo oop oos oox op- opc opi opn opo opp ops opx opy os- osc osi osn oso osp oss osx ox- oxc oxi oxn oxo oxx oxy oyi oyo oys p-p pcc pci pcn pco pcp pcs pcx pic pii pin pio pip pis pix pn- pnc pni pnn pno pnp pns pnx pny poc poi pon poo pop pos pox poy ppc ppi ppn ppo ppp pps ppx ps- psc psi psn pso psp pss psx psy pxc pxs py- pyc pyn pyo pys pyx scc sci scn sco scp scs scx sic sii sin sio sip sis six snc sni snn sno snp sns sny soc soi son soo sop sos sox soy spc spi spn spo spp sps spx spy ss- ssc ssi ssn sso ssp sss ssx sxc sxi sxn sxs sy- syc syi syn syp sys syx xci xcp xcx xic xii xin xio xis xix xnc xno xns xoc xoi xon xoo xop xos xox xpc xpn xpo xpp xps xsc xsi xsp xss xxi xxo xxp xxx xxy xyp xyy ycc yci yco ycp ycs ycy yii yin yio yip yis ynn ynp yns yny yoc yoi yon yoo yop yos yox yoy ypo yps ysc ysi yso ysp yss ysy yxy yyc yys yyy