a-a a-i a-t aaa aad aai aao aar aas aat aax ad- ada add adi ado adr ads adt adx ai- aia aid aii aio air ais ait aix aoa aod aoi aoo aor aos aot aox ar- ara ard ari aro arr ars art arx as- asa asd asi aso asr ass ast asx at- ata atd ati ato atr ats att atx ax- axa axi axo axr axs axt axx daa dad dai dao dar das dat dax dda ddd ddi ddo ddr dds ddt ddx di- dia did dii dio dir dis dit dix doa dod doi doo dor dos dot dox dra drd dri dro drr drs drt drx dsa dsd dsi dso dsr dss dst dsx dta dtd dti dto dtr dts dtt dtx dxd dxi dxo dxr dxs dxt dxx i-d ia- iaa iad iai iao iar ias iat ida idd idi ido idr ids idt idx iia iid iii iio iir iis iit iix io- ioa iod ioi ioo ior ios iot ir- ira ird iri iro irr irs irt irx is- isa isd isi iso isr iss ist ita itd iti ito its itt itx ixi o-i oaa oad oai oao oar oas oat oax oda odd odi odo odr ods odt oia oid oii oio oir ois oit oo- ooa ood ooi ooo oor oos oot oox or- ora ord ori oro orr ors ort orx os- osa osd osi oso osr oss ost osx ot- ota otd oti oto otr ots ott ox- oxa oxi oxo oxt oxx ra- raa rad rai rao rar ras rat rax rda rdd rdi rdo rdr rds rdt rdx ria rid rii rio rir ris rit rix roa rod roi roo ror ros rot rox rra rrd rri rrr rrs rrt rsa rsd rsi rso rsr rss rst rsx rta rtd rti rto rtr rts rtt rtx rxr rxs saa sad sai sao sar sas sat sax sda sdd sdi sdo sdr sds sdt sia sid sii sio sir sis sit six soa sod soi soo sor sos sot sox sr- sra srd sri sro srr srs srt srx ss- ssa ssd ssi sso ssr sss sst ssx sta std sti sto str sts stt stx sxi sxs sxt t-x taa tad tai tao tar tas tat tax tda tdd tdi tdo tdr tds tdt tdx tia tid tii tio tir tis tit tix to- toa tod toi too tor tos tot tox tra trd tri tro trr trs trt trx tsa tsd tsi tso tsr tss tst tsx tta ttd tti tto ttr tts ttt ttx txi txs txt xaa xad xar xas xat xda xdi xdr xds xdt xia xii xio xis xit xix xoa xod xoi xoo xor xos xot xox xrd xrt xrx xsa xsi xss xst xti xtr xts xtx xxi xxo xxx