-ic a-a a-c a-i a-t aaa aac aad aai aao aar aat aax ac- aca acc acd aci aco acr act acx ad- ada adc add adi ado adr adt adx ai- aia aic aid aii aio air ait aix aoa aoc aod aoi aoo aor aot aox ar- ara arc ard ari aro arr art arx at- ata atc atd ati ato atr att atx ax- axa axi axo axr axt axx c-- caa cac cad cai cao car cat cax cca ccc ccd cci cco ccr cct ccx cda cdc cdd cdi cdo cdr cdt cdx ci- cia cic cid cii cio cir cit cix co- coa coc cod coi coo cor cot cox cra crc crd cri cro crr crt crx cta ctc ctd cti cto ctr ctt ctx cxc cxi cxo cxr cxt cxx daa dac dad dai dao dar dat dax dca dcc dcd dci dco dcr dct dcx dda ddc ddd ddi ddo ddr ddt ddx di- dia dic did dii dio dir dit dix doa doc dod doi doo dor dot dox dra drc drd dri dro drr drt drx dta dtc dtd dti dto dtr dtt dtx dxc dxd dxi dxo dxr dxt dxx i-d ia- iaa iac iad iai iao iar iat ica icc icd ici ico icr ict ida idc idd idi ido idr idt idx iia iic iid iii iio iir iit iix io- ioa ioc iod ioi ioo ior iot ir- ira irc ird iri iro irr irt irx ita itc itd iti ito itt itx ixc ixi o-i oaa oac oad oai oao oar oat oax oc- oca occ ocd oci oco ocr oct ocx oda odc odd odi odo odr odt oia oic oid oii oio oir oit oo- ooa ooc ood ooi ooo oor oot oox or- ora orc ord ori oro orr ort orx ot- ota otc otd oti oto otr ott ox- oxa oxc oxi oxo oxt oxx ra- raa rac rad rai rao rar rat rax rca rcc rcd rci rco rcr rct rcx rda rdc rdd rdi rdo rdr rdt rdx ria ric rid rii rio rir rit rix roa roc rod roi roo ror rot rox rra rrc rrd rri rrr rrt rta rtc rtd rti rto rtr rtt rtx rxr t-x taa tac tad tai tao tar tat tax tca tcc tcd tci tco tcr tct tcx tda tdc tdd tdi tdo tdr tdt tdx tia tic tid tii tio tir tit tix to- toa toc tod toi too tor tot tox tra trc trd tri tro trr trt trx tta ttc ttd tti tto ttr ttt ttx txi txt xaa xac xad xar xat xcd xci xcr xcx xda xdc xdi xdr xdt xia xic xii xio xit xix xoa xoc xod xoi xoo xor xot xox xrc xrd xrt xrx xtc xti xtr xtx xxi xxo xxx