-ic a-a a-c a-i a-t aaa aac aaf aai aan aao aas aat aax ac- aca acc acf aci acn aco acs act acx af- afa afc aff afi afn afo afs aft afx ai- aia aic aif aii ain aio ais ait aix an- ana anc anf ani ann ano ans ant anx aoa aoc aof aoi aon aoo aos aot aox as- asa asc asf asi asn aso ass ast asx at- ata atc atf ati atn ato ats att atx ax- axa axi axn axo axs axt axx c-- caa cac caf cai can cao cas cat cax cca ccc ccf cci ccn cco ccs cct ccx cfa cfc cff cfi cfn cfo cfs cft cfx ci- cia cic cif cii cin cio cis cit cix cn- cna cnc cnf cni cnn cno cns cnt cnx co- coa coc cof coi con coo cos cot cox csa csc csf csi csn cso css cst csx cta ctc ctf cti ctn cto cts ctt ctx cxc cxf cxi cxo cxs cxt cxx faa fac faf fai fan fao fas fat fax fca fcc fcf fci fcn fco fcs fct fcx ffa ffc fff ffi ffn ffo ffs fft ffx fia fic fif fii fin fis fit fix fna fnc fnf fni fnn fns fnt fnx foa foc fof foi fon foo fos fot fox fsa fsc fsf fsi fsn fso fss fst fsx fta ftc ftf fti ftn fto fts ftt ftx fxi fxs fxt fxx i-f ia- iaa iac iaf iai ian iao ias iat ica icc icf ici icn ico ics ict ifa ifc iff ifi ifn ifo ifs ift ifx iia iic iif iii iin iio iis iit iix in- ina inc inf ini inn ino ins int inx io- ioa ioc iof ioi ion ioo ios iot is- isa isc isf isi isn iso iss ist ita itc itf iti itn ito its itt itx ixc ixi ixn n-i naa nac naf nai nan nao nas nat nax nca ncc ncf nci ncn nco ncs nct ncx nfa nfc nff nfi nfn nfo nfs nft nia nic nif nii nin nio nis nit nix nna nnc nnf nni nnn nno nns nnt no- noa noc nof noi non noo nos not nox nsa nsc nsf nsi nsn nso nss nst nsx nta ntc ntf nti ntn nto nts ntt ntx nxc nxt o-i oaa oac oaf oai oan oao oas oat oax oc- oca occ ocf oci ocn oco ocs oct ocx of- ofa ofc off ofi ofn ofo ofs oft ofx oia oic oif oii oin oio ois oit on- ona onc onf oni onn ono ons ont onx oo- ooa ooc oof ooi oon ooo oos oot oox os- osa osc osf osi osn oso oss ost osx ot- ota otc otf oti otn oto ots ott ox- oxa oxc oxf oxi oxn oxo oxt oxx saa sac saf sai san sao sas sat sax sca scc scf sci scn sco scs sct scx sfa sfc sff sfi sfn sfo sfs sft sfx sia sic sif sii sin sio sis sit six sna snc snf sni snn sno sns snt soa soc sof soi son soo sos sot sox ss- ssa ssc ssf ssi ssn sso sss sst ssx sta stc stf sti stn sto sts stt stx sxc sxi sxn sxs sxt t-x taa tac taf tai tan tao tas tat tax tca tcc tcf tci tcn tco tcs tct tcx tfa tfc tff tfi tfn tfo tfs tft tfx tia tic tif tii tin tio tis tit tix tna tnc tnf tni tnn tno tns tnt tnx to- toa toc tof toi ton too tos tot tox tsa tsc tsf tsi tsn tso tss tst tsx tta ttc ttf tti ttn tto tts ttt ttx txf txi txn txs txt xaa xac xaf xan xas xat xcf xci xcx xfa xfn xfs xft xfx xia xic xii xin xio xis xit xix xna xnc xno xns xoa xoc xof xoi xon xoo xos xot xox xsa xsc xsi xss xst xtc xtf xti xts xtx xxi xxo xxx