-ic a-a a-c a-i a-t aaa aac aai aan aao aas aat aax ac- aca acc aci acn aco acs act acx ai- aia aic aii ain aio ais ait aix an- ana anc ani ann ano ans ant anx aoa aoc aoi aon aoo aos aot aox as- asa asc asi asn aso ass ast asx at- ata atc ati atn ato ats att atx ax- axa axi axn axo axs axt axx c-- caa cac cai can cao cas cat cax cca ccc cci ccn cco ccs cct ccx ci- cia cic cii cin cio cis cit cix cn- cna cnc cni cnn cno cns cnt cnx co- coa coc coi con coo cos cot cox csa csc csi csn cso css cst csx cta ctc cti ctn cto cts ctt ctx cxc cxi cxo cxs cxt cxx ia- iaa iac iai ian iao ias iat ica icc ici icn ico ics ict iia iic iii iin iio iis iit iix in- ina inc ini inn ino ins int inx io- ioa ioc ioi ion ioo ios iot is- isa isc isi isn iso iss ist ita itc iti itn ito its itt itx ixc ixi ixn n-i naa nac nai nan nao nas nat nax nca ncc nci ncn nco ncs nct ncx nia nic nii nin nio nis nit nix nna nnc nni nnn nno nns nnt no- noa noc noi non noo nos not nox nsa nsc nsi nsn nso nss nst nsx nta ntc nti ntn nto nts ntt ntx nxc nxt o-i oaa oac oai oan oao oas oat oax oc- oca occ oci ocn oco ocs oct ocx oia oic oii oin oio ois oit on- ona onc oni onn ono ons ont onx oo- ooa ooc ooi oon ooo oos oot oox os- osa osc osi osn oso oss ost osx ot- ota otc oti otn oto ots ott ox- oxa oxc oxi oxn oxo oxt oxx saa sac sai san sao sas sat sax sca scc sci scn sco scs sct scx sia sic sii sin sio sis sit six sna snc sni snn sno sns snt soa soc soi son soo sos sot sox ss- ssa ssc ssi ssn sso sss sst ssx sta stc sti stn sto sts stt stx sxc sxi sxn sxs sxt t-x taa tac tai tan tao tas tat tax tca tcc tci tcn tco tcs tct tcx tia tic tii tin tio tis tit tix tna tnc tni tnn tno tns tnt tnx to- toa toc toi ton too tos tot tox tsa tsc tsi tsn tso tss tst tsx tta ttc tti ttn tto tts ttt ttx txi txn txs txt xaa xac xan xas xat xci xcx xia xic xii xin xio xis xit xix xna xnc xno xns xoa xoc xoi xon xoo xos xot xox xsa xsc xsi xss xst xtc xti xts xtx xxi xxo xxx