-ic a-a a-c a-i a-t aaa aac aad aai aao aar aas aat aax ac- aca acc acd aci aco acr acs act acx ad- ada adc add adi ado adr ads adt adx ai- aia aic aid aii aio air ais ait aix aoa aoc aod aoi aoo aor aos aot aox ar- ara arc ard ari aro arr ars art arx as- asa asc asd asi aso asr ass ast asx at- ata atc atd ati ato atr ats att atx ax- axa axi axo axr axs axt axx c-- caa cac cad cai cao car cas cat cax cca ccc ccd cci cco ccr ccs cct ccx cda cdc cdd cdi cdo cdr cds cdt cdx ci- cia cic cid cii cio cir cis cit cix co- coa coc cod coi coo cor cos cot cox cra crc crd cri cro crr crs crt crx csa csc csd csi cso csr css cst csx cta ctc ctd cti cto ctr cts ctt ctx cxc cxi cxo cxr cxs cxt cxx daa dac dad dai dao dar das dat dax dca dcc dcd dci dco dcr dcs dct dcx dda ddc ddd ddi ddo ddr dds ddt ddx di- dia dic did dii dio dir dis dit dix doa doc dod doi doo dor dos dot dox dra drc drd dri dro drr drs drt drx dsa dsc dsd dsi dso dsr dss dst dsx dta dtc dtd dti dto dtr dts dtt dtx dxc dxd dxi dxo dxr dxs dxt dxx i-d ia- iaa iac iad iai iao iar ias iat ica icc icd ici ico icr ics ict ida idc idd idi ido idr ids idt idx iia iic iid iii iio iir iis iit iix io- ioa ioc iod ioi ioo ior ios iot ir- ira irc ird iri iro irr irs irt irx is- isa isc isd isi iso isr iss ist ita itc itd iti ito its itt itx ixc ixi o-i oaa oac oad oai oao oar oas oat oax oc- oca occ ocd oci oco ocr ocs oct ocx oda odc odd odi odo odr ods odt oia oic oid oii oio oir ois oit oo- ooa ooc ood ooi ooo oor oos oot oox or- ora orc ord ori oro orr ors ort orx os- osa osc osd osi oso osr oss ost osx ot- ota otc otd oti oto otr ots ott ox- oxa oxc oxi oxo oxt oxx ra- raa rac rad rai rao rar ras rat rax rca rcc rcd rci rco rcr rcs rct rcx rda rdc rdd rdi rdo rdr rds rdt rdx ria ric rid rii rio rir ris rit rix roa roc rod roi roo ror ros rot rox rra rrc rrd rri rrr rrs rrt rsa rsc rsd rsi rso rsr rss rst rsx rta rtc rtd rti rto rtr rts rtt rtx rxr rxs saa sac sad sai sao sar sas sat sax sca scc scd sci sco scr scs sct scx sda sdc sdd sdi sdo sdr sds sdt sia sic sid sii sio sir sis sit six soa soc sod soi soo sor sos sot sox sr- sra src srd sri sro srr srs srt srx ss- ssa ssc ssd ssi sso ssr sss sst ssx sta stc std sti sto str sts stt stx sxc sxi sxs sxt t-x taa tac tad tai tao tar tas tat tax tca tcc tcd tci tco tcr tcs tct tcx tda tdc tdd tdi tdo tdr tds tdt tdx tia tic tid tii tio tir tis tit tix to- toa toc tod toi too tor tos tot tox tra trc trd tri tro trr trs trt trx tsa tsc tsd tsi tso tsr tss tst tsx tta ttc ttd tti tto ttr tts ttt ttx txi txs txt xaa xac xad xar xas xat xcd xci xcr xcx xda xdc xdi xdr xds xdt xia xic xii xio xis xit xix xoa xoc xod xoi xoo xor xos xot xox xrc xrd xrt xrx xsa xsc xsi xss xst xtc xti xtr xts xtx xxi xxo xxx