-ic c-- ccc cci ccn cco ccr ccx ci- cic cii cin cio cir cix cn- cnc cni cnn cno cnr cnx cny co- coc coi con coo cor cox coy crc cri crn cro crr crx cry cxc cxi cxo cxr cxx cyc cyn cyo cyr icc ici icn ico icr icy iic iii iin iio iir iix in- inc ini inn ino inr inx iny io- ioc ioi ion ioo ior ir- irc iri irn iro irr irx iry ixc ixi ixn ixy iyc iyo iyr iyy n-i ncc nci ncn nco ncr ncx nic nii nin nio nir nix nnc nni nnn nno no- noc noi non noo nor nox noy nrc nri nrn nro nrr nrx nry nxc nyc nyn nyo nyx nyy o-i oc- occ oci ocn oco ocr ocx oic oii oin oio oir on- onc oni onn ono onr onx ony oo- ooc ooi oon ooo oor oox or- orc ori orn oro orr orx ory ox- oxc oxi oxn oxo oxx oxy oyi oyo rcc rci rcn rco rcr rcx ric rii rin rio rir rix riy rnc rni rnn rno rnr rny roc roi ron roo ror rox roy rrc rri rrn rrr rxr ry- ryc ryn ryo ryr ryy xci xcr xcx xic xii xin xio xix xnc xno xoc xoi xon xoo xor xox xrc xrx xry xxi xxo xxx xxy xyr xyy ycc yci yco ycy yii yin yio yir ynn yny yoc yoi yon yoo yor yox yoy yrc yrn yro yxy yyc yyy