-ic c-- ccc cci ccn cco ccr cct ccx ci- cic cii cin cio cir cit cix cn- cnc cni cnn cno cnr cnt cnx co- coc coi con coo cor cot cox crc cri crn cro crr crt crx ctc cti ctn cto ctr ctt ctx cxc cxi cxo cxr cxt cxx icc ici icn ico icr ict iic iii iin iio iir iit iix in- inc ini inn ino inr int inx io- ioc ioi ion ioo ior iot ir- irc iri irn iro irr irt irx itc iti itn ito itt itx ixc ixi ixn n-i ncc nci ncn nco ncr nct ncx nic nii nin nio nir nit nix nnc nni nnn nno nnt no- noc noi non noo nor not nox nrc nri nrn nro nrr nrt nrx ntc nti ntn nto ntr ntt ntx nxc nxt o-i oc- occ oci ocn oco ocr oct ocx oic oii oin oio oir oit on- onc oni onn ono onr ont onx oo- ooc ooi oon ooo oor oot oox or- orc ori orn oro orr ort orx ot- otc oti otn oto otr ott ox- oxc oxi oxn oxo oxt oxx rcc rci rcn rco rcr rct rcx ric rii rin rio rir rit rix rnc rni rnn rno rnr rnt roc roi ron roo ror rot rox rrc rri rrn rrr rrt rtc rti rtn rto rtr rtt rtx rxr t-x tcc tci tcn tco tcr tct tcx tic tii tin tio tir tit tix tnc tni tnn tno tnr tnt tnx to- toc toi ton too tor tot tox trc tri trn tro trr trt trx ttc tti ttn tto ttr ttt ttx txi txn txt xci xcr xcx xic xii xin xio xit xix xnc xno xoc xoi xon xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx