-ic a-a a-c a-i a-t aaa aac aae aaf aai aan aao aas aat aax ac- aca acc ace acf aci acn aco acs act acx aea aec aee aef aei aen aeo aes aet aex af- afa afc afe aff afi afn afo afs aft afx ai- aia aic aie aif aii ain aio ais ait aix an- ana anc ane anf ani ann ano ans ant anx aoa aoc aoe aof aoi aon aoo aos aot aox as- asa asc ase asf asi asn aso ass ast asx at- ata atc ate atf ati atn ato ats att atx ax- axa axe axi axn axo axs axt axx c-- caa cac cae caf cai can cao cas cat cax cca ccc cce ccf cci ccn cco ccs cct ccx ce- cea cec cee cef cei cen ceo ces cet cex cfa cfc cfe cff cfi cfn cfo cfs cft cfx ci- cia cic cie cif cii cin cio cis cit cix cn- cna cnc cne cnf cni cnn cno cns cnt cnx co- coa coc coe cof coi con coo cos cot cox csa csc cse csf csi csn cso css cst csx cta ctc cte ctf cti ctn cto cts ctt ctx cxc cxf cxi cxo cxs cxt cxx eaa eac eae eaf eai ean eao eas eat eax ec- eca ecc ece ecf eci ecn eco ecs ect ecx eea eec eee eef een eeo ees eet eex ef- efa efc efe eff efi efo efs eft efx eia eic eie eif eii ein eio eis eit eix en- ena enc ene enf eni enn eno ens ent eo- eoa eoc eoe eof eoi eon eoo eos eot es- esa esc ese esf esi esn eso ess est esx eta etc ete etf eti etn eto ets ett etx ex- exa exc exe exi exo exs ext exx faa fac fae faf fai fan fao fas fat fax fca fcc fce fcf fci fcn fco fcs fct fcx fea fec fee fef fei fen feo fes fet fex ffa ffc ffe fff ffi ffn ffo ffs fft ffx fia fic fie fif fii fin fis fit fix fna fnc fne fnf fni fnn fns fnt fnx foa foc foe fof foi fon foo fos fot fox fsa fsc fse fsf fsi fsn fso fss fst fsx fta ftc fte ftf fti ftn fto fts ftt ftx fxe fxi fxs fxt fxx i-f ia- iaa iac iae iaf iai ian iao ias iat ica icc ice icf ici icn ico ics ict ie- iea iec iee ief iei ien ies iet iex ifa ifc ife iff ifi ifn ifo ifs ift ifx iia iic iie iif iii iin iio iis iit iix in- ina inc ine inf ini inn ino ins int inx io- ioa ioc ioe iof ioi ion ioo ios iot is- isa isc ise isf isi isn iso iss ist ita itc ite itf iti itn ito its itt itx ixc ixe ixi ixn n-i naa nac nae naf nai nan nao nas nat nax nca ncc nce ncf nci ncn nco ncs nct ncx ne- nea nec nee nef nei nen neo nes net nex nfa nfc nfe nff nfi nfn nfo nfs nft nia nic nie nif nii nin nio nis nit nix nna nnc nne nnf nni nnn nno nns nnt no- noa noc noe nof noi non noo nos not nox nsa nsc nse nsf nsi nsn nso nss nst nsx nta ntc nte ntf nti ntn nto nts ntt ntx nxc nxt o-i oaa oac oae oaf oai oan oao oas oat oax oc- oca occ ocf oci ocn oco ocs oct ocx oea oec oee oef oei oen oeo oes oet oex of- ofa ofc ofe off ofi ofn ofo ofs oft ofx oia oic oie oif oii oin oio ois oit on- ona onc one onf oni onn ono ons ont onx oo- ooa ooc oof ooi oon ooo oos oot oox os- osa osc ose osf osi osn oso oss ost osx ot- ota otc ote otf oti otn oto ots ott ox- oxa oxc oxf oxi oxn oxo oxt oxx saa sac sae saf sai san sao sas sat sax sca scc sce scf sci scn sco scs sct scx se- sea sec see sef sei sen seo ses set sex sfa sfc sfe sff sfi sfn sfo sfs sft sfx sia sic sie sif sii sin sio sis sit six sna snc sne snf sni snn sno sns snt soa soc soe sof soi son soo sos sot sox ss- ssa ssc sse ssf ssi ssn sso sss sst ssx sta stc ste stf sti stn sto sts stt stx sxc sxi sxn sxs sxt t-x taa tac tae taf tai tan tao tas tat tax tca tcc tce tcf tci tcn tco tcs tct tcx te- tea tec tee tef tei ten teo tes tet tex tfa tfc tfe tff tfi tfn tfo tfs tft tfx tia tic tie tif tii tin tio tis tit tix tna tnc tne tnf tni tnn tno tns tnt tnx to- toa toc toe tof toi ton too tos tot tox tsa tsc tse tsf tsi tsn tso tss tst tsx tta ttc tte ttf tti ttn tto tts ttt ttx txe txf txi txn txs txt xaa xac xaf xan xas xat xcf xci xcx xee xen xes xet xex xfa xfe xfn xfs xft xfx xia xic xie 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