-ic c-- ccc cce ccf cci cck ccn cco cct ccx ce- cec cee cef cei cek cen ceo cet cex cfc cfe cff cfi cfk cfn cfo cft cfx ci- cic cie cif cii cik cin cio cit cix ckc cki cko ckt ckx cn- cnc cne cnf cni cnn cno cnt cnx co- coc coe cof coi cok con coo cot cox ctc cte ctf cti ctk ctn cto ctt ctx cxc cxf cxi cxk cxo cxt cxx ec- ecc ece ecf eci eck ecn eco ect ecx eec eee eef eek een eeo eet eex ef- efc efe eff efi efo eft efx eic eie eif eii eik ein eio eit eix ekc eke ekf eki eko ekt en- enc ene enf eni enk enn eno ent eo- eoc eoe eof eoi eok eon eoo eot etc ete etf eti etk etn eto ett etx ex- exc exe exi exo ext exx fcc fce fcf fci fck fcn fco fct fcx fec fee fef fei fek fen feo fet fex ffc ffe fff ffi ffk ffn ffo fft ffx fic fie fif fii fik fin fit fix fkc fkf fki fkk fkt fnc fne fnf fni fnk fnn fnt fnx foc foe fof foi fok fon foo fot fox ftc fte ftf fti ftk ftn fto ftt ftx fxe fxi fxt fxx i-f icc ice icf ici ick icn ico ict ie- iec iee ief iei iek ien iet iex ifc ife iff ifi ifn ifo ift ifx iic iie iif iii iin iio iit iix ikc ike ikf iki ikk iko ikt ikx in- inc ine inf ini ink inn ino int inx io- ioc ioe iof ioi ion ioo iot itc ite itf iti itk itn ito itt itx ixc ixe ixi ixn k-t kcc kce kci kck kcn kct kcx ke- kec kee kef kei kek ken keo ket kex kfc kff kfi kfo kfx kic kie kif kii kik kin kio kit kix kkc kke kki kkk kkn kkt kn- knc kne knf kni knk knn kno knt knx koc koe kof koi kok kon koo kot ktc kte ktf ktk ktn kto ktt kxo n-i ncc nce ncf nci nck ncn nco nct ncx ne- nec nee nef nei nek nen neo net nex nfc nfe nff nfi nfk nfn nfo nft nic nie nif nii nik nin nio nit nix nkc nke nkf nki nkk nkn nko nkt nnc nne nnf nni nnk nnn nno nnt no- noc noe nof noi nok non noo not nox ntc nte ntf nti ntk ntn nto ntt ntx nxc nxt o-i oc- occ ocf oci ock ocn oco oct ocx oec oee oef oei oen oeo oet oex of- ofc ofe off ofi ofn ofo oft ofx oic oie oif oii oik oin oio oit okc oke oki okk oko on- onc one onf oni onk onn ono ont onx oo- ooc oof ooi ook oon ooo oot oox ot- otc ote otf oti otk otn oto ott ox- oxc oxf oxi oxn oxo oxt oxx t-x tcc tce tcf tci tck tcn tco tct tcx te- tec tee tef tei tek ten teo tet tex tfc tfe tff tfi tfk tfn tfo tft tfx tic tie tif tii tik tin tio tit tix tkc tke tkk tko tkt tnc tne tnf tni tnk tnn tno tnt tnx to- toc toe tof toi tok ton too tot tox ttc tte ttf tti ttk ttn tto ttt ttx txe txf txi txk txn txt xcf xci xcx xee xen xet xex xfe xfn xft xfx xic xie xii xin xio xit xix xke xnc xnk xno xoc xof xoi xok xon xoo xot xox xtc xtf xti xtx xxi xxo xxx