-ic a-a a-c a-i a-t aaa aac aad aai aao aas aat aax ac- aca acc acd aci aco acs act acx ad- ada adc add adi ado ads adt adx ai- aia aic aid aii aio ais ait aix aoa aoc aod aoi aoo aos aot aox as- asa asc asd asi aso ass ast asx at- ata atc atd ati ato ats att atx ax- axa axi axo axs axt axx c-- caa cac cad cai cao cas cat cax cca ccc ccd cci cco ccs cct ccx cda cdc cdd cdi cdo cds cdt cdx ci- cia cic cid cii cio cis cit cix co- coa coc cod coi coo cos cot cox csa csc csd csi cso css cst csx cta ctc ctd cti cto cts ctt ctx cxc cxi cxo cxs cxt cxx daa dac dad dai dao das dat dax dca dcc dcd dci dco dcs dct dcx dda ddc ddd ddi ddo dds ddt ddx di- dia dic did dii dio dis dit dix doa doc dod doi doo dos dot dox dsa dsc dsd dsi dso dss dst dsx dta dtc dtd dti dto dts dtt dtx dxc dxd dxi dxo dxs dxt dxx i-d ia- iaa iac iad iai iao ias iat ica icc icd ici ico ics ict ida idc idd idi ido ids idt idx iia iic iid iii iio iis iit iix io- ioa ioc iod ioi ioo ios iot is- isa isc isd isi iso iss ist ita itc itd iti ito its itt itx ixc ixi o-i oaa oac oad oai oao oas oat oax oc- oca occ ocd oci oco ocs oct ocx oda odc odd odi odo ods odt oia oic oid oii oio ois oit oo- ooa ooc ood ooi ooo oos oot oox os- osa osc osd osi oso oss ost osx ot- ota otc otd oti oto ots ott ox- oxa oxc oxi oxo oxt oxx saa sac sad sai sao sas sat sax sca scc scd sci sco scs sct scx sda sdc sdd sdi sdo sds sdt sia sic sid sii sio sis sit six soa soc sod soi soo sos sot sox ss- ssa ssc ssd ssi sso sss sst ssx sta stc std sti sto sts stt stx sxc sxi sxs sxt t-x taa tac tad tai tao tas tat tax tca tcc tcd tci tco tcs tct tcx tda tdc tdd tdi tdo tds tdt tdx tia tic tid tii tio tis tit tix to- toa toc tod toi too tos tot tox tsa tsc tsd tsi tso tss tst tsx tta ttc ttd tti tto tts ttt ttx txi txs txt xaa xac xad xas xat xcd xci xcx xda xdc xdi xds xdt xia xic xii xio xis xit xix xoa xoc xod xoi xoo xos xot xox xsa xsc xsi xss xst xtc xti xts xtx xxi xxo xxx