-ic a-a a-c a-i a-t aaa aac aad aae aaf aai aao aas aat aax ac- aca acc acd ace acf aci aco acs act acx ad- ada adc add ade adf adi ado ads adt adx aea aec aed aee aef aei aeo aes aet aex af- afa afc afd afe aff afi afo afs aft afx ai- aia aic aid aie aif aii aio ais ait aix aoa aoc aod aoe aof aoi aoo aos aot aox as- asa asc asd ase asf asi aso ass ast asx at- ata atc atd ate atf ati ato ats att atx ax- axa axe axi axo axs axt axx c-- caa cac cad cae caf cai cao cas cat cax cca ccc ccd cce ccf cci cco ccs cct ccx cda cdc cdd cde cdf cdi cdo cds cdt cdx ce- cea cec ced cee cef cei ceo ces cet cex cfa cfc cfd cfe cff cfi cfo cfs cft cfx ci- cia cic cid cie cif cii cio cis cit cix co- coa coc cod coe cof coi coo cos cot cox csa csc csd cse csf csi cso css cst csx cta ctc ctd cte ctf cti cto cts ctt ctx cxc cxf cxi cxo cxs cxt cxx daa dac dad dae daf dai dao das dat dax dca dcc dcd dce dcf dci dco dcs dct dcx dda ddc ddd dde ddf ddi ddo dds ddt ddx de- dea dec ded dee def dei deo des det dex dfa dfc dfd dfe dff dfi dfo dfs dft dfx di- dia dic did die dif dii dio dis dit dix doa doc dod doe dof doi doo dos dot dox dsa dsc dsd dse dsf dsi dso dss dst dsx dta dtc dtd dte dtf dti dto dts dtt dtx dxc dxd dxi dxo dxs dxt dxx eaa eac ead eae eaf eai eao eas eat eax ec- eca ecc ecd ece ecf eci eco ecs ect ecx ed- eda edc edd ede edf edi edo eds edt edx eea eec eed eee eef eeo ees eet eex ef- efa efc efd efe eff efi efo efs eft efx eia eic eid eie eif eii eio eis eit eix eo- eoa eoc eod eoe eof eoi eoo eos eot es- esa esc esd ese esf esi eso ess est esx eta etc etd ete etf eti eto ets ett etx ex- exa exc exd exe exi exo exs ext exx faa fac fad fae faf fai fao fas fat fax fca fcc fcd fce fcf fci fco fcs fct fcx fda fdc fdd fde fdf fdi fdo fds fdt fdx fea fec fed fee fef fei feo fes fet fex ffa ffc ffd ffe fff ffi ffo ffs fft ffx fia fic fid fie fif fii fis fit fix foa foc foe fof foi foo fos fot fox fsa fsc fsd fse fsf fsi fso fss fst fsx fta ftc ftd fte ftf fti fto fts ftt ftx fxe fxi fxs fxt fxx i-d i-f ia- iaa iac iad iae iaf iai iao ias iat ica icc icd ice icf ici ico ics ict ida idc idd ide idf idi ido ids idt idx ie- iea iec ied iee ief iei ies iet iex ifa ifc ifd ife iff ifi ifo ifs ift ifx iia iic iid iie iif iii iio iis iit iix io- ioa ioc iod ioe iof ioi ioo ios iot is- isa isc isd ise isf isi iso iss ist ita itc itd ite itf iti ito its itt itx ixc ixe ixi o-i oaa oac oad oae oaf oai oao oas oat oax oc- oca occ ocd ocf oci oco ocs oct ocx oda odc odd ode odf odi odo ods odt oea oec oed oee oef oei oeo oes oet oex of- ofa ofc ofd ofe off ofi ofo ofs oft ofx oia oic oid oie oif oii oio ois oit oo- ooa ooc ood oof ooi ooo oos oot oox os- osa osc osd ose osf osi oso oss ost osx ot- ota otc otd ote otf oti oto ots ott ox- oxa oxc oxf oxi oxo oxt oxx saa sac sad sae saf sai sao sas sat sax sca scc scd sce scf sci sco scs sct scx sda sdc sdd sde sdf sdi sdo sds sdt se- sea sec sed see sef sei seo ses set sex sfa sfc sfd sfe sff sfi sfo sfs sft sfx sia sic sid sie sif sii sio sis sit six soa soc sod soe sof soi soo sos sot sox ss- ssa ssc ssd sse ssf ssi sso sss sst ssx sta stc std ste stf sti sto sts stt stx sxc sxi sxs sxt t-x taa tac tad tae taf tai tao tas tat tax tca tcc tcd tce tcf tci tco tcs tct tcx tda tdc tdd tde tdf tdi tdo tds tdt tdx te- tea tec ted tee tef tei teo tes tet tex tfa tfc tfd tfe tff tfi tfo tfs tft tfx tia tic tid tie tif tii tio tis tit tix to- toa toc tod toe tof toi too tos tot tox tsa tsc tsd tse tsf tsi tso tss tst tsx tta ttc ttd tte ttf tti tto tts ttt ttx txe txf txi txs txt xaa xac xad xaf xas xat xcd xcf xci xcx xda xdc xde xdf xdi xds xdt xed xee xes xet xex xfa xfe xfs xft xfx xia xic xie xii xio xis xit xix xoa xoc xod xof xoi xoo xos xot xox xsa xsc xsi xss xst xtc xtf xti xts xtx xxi xxo xxx