a-a a-i a-t aaa aad aai aao aap aar aas aat aax ad- ada add adi ado adp adr ads adt adx ai- aia aid aii aio aip air ais ait aix aoa aod aoi aoo aop aor aos aot aox ap- apa apd api apo app apr aps apt apx ar- ara ard ari aro arp arr ars art arx as- asa asd asi aso asp asr ass ast asx at- ata atd ati ato atp atr ats att atx ax- axa axi axo axp axr axs axt axx daa dad dai dao dap dar das dat dax dda ddd ddi ddo ddp ddr dds ddt ddx di- dia did dii dio dip dir dis dit dix doa dod doi doo dop dor dos dot dox dpa dpd dpi dpo dpp dpr dps dpt dra drd dri dro drp drr drs drt drx dsa dsd dsi dso dsp dsr dss dst dsx dta dtd dti dto dtp dtr dts dtt dtx dxd dxi dxo dxp dxr dxs dxt dxx i-d ia- iaa iad iai iao iap iar ias iat ida idd idi ido idp idr ids idt idx iia iid iii iio iip iir iis iit iix io- ioa iod ioi ioo iop ior ios iot ipa ipd ipi ipo ipp ipr ips ipt ipx ir- ira ird iri iro irp irr irs irt irx is- isa isd isi iso isp isr iss ist ita itd iti ito itp its itt itx ixi o-i oaa oad oai oao oap oar oas oat oax oda odd odi odo odp odr ods odt oia oid oii oio oip oir ois oit oo- ooa ood ooi ooo oop oor oos oot oox op- opa opd opi opo opp opr ops opt opx or- ora ord ori oro orp orr ors ort orx os- osa osd osi oso osp osr oss ost osx ot- ota otd oti oto otp otr ots ott ox- oxa oxi oxo oxt oxx p-p paa pad pai pao pap par pas pat pax pda pdd pdi pdo pdp pdr pds pdt pdx pia pid pii pio pip pir pis pit pix poa pod poi poo pop por pos pot pox ppa ppd ppi ppo ppp ppr pps ppt ppx pra prd pri pro prp prr prs prt prx ps- psa psd psi pso psp psr pss pst psx pt- pta ptd pti pto ptp ptr pts ptt ptx pxr pxs pxt ra- raa rad rai rao rap rar ras rat rax rda rdd rdi rdo rdp rdr rds rdt rdx ria rid rii rio rip rir ris rit rix roa rod roi roo rop ror ros rot rox rpa rpd rpi rpo rpp rpr rps rpt rpx rra rrd rri rrp rrr rrs rrt rsa rsd rsi rso rsp rsr rss rst rsx rta rtd rti rto rtp rtr rts rtt rtx rxp rxr rxs saa sad sai sao sap sar sas sat sax sda sdd sdi sdo sdp sdr sds sdt sia sid sii sio sip sir sis sit six soa sod soi soo sop sor sos sot sox spa spd spi spo spp spr sps spt spx sr- sra srd sri sro srp srr srs srt srx ss- ssa ssd ssi sso ssp ssr sss sst ssx sta std sti sto stp str sts stt stx sxi sxs sxt t-x taa tad tai tao tap tar tas tat tax tda tdd tdi tdo tdp tdr tds tdt tdx tia tid tii tio tip tir tis tit tix to- toa tod toi too top tor tos tot tox tpa tpd tpi tpo tpp tpr tps tpt tpx tra trd tri tro trp trr trs trt trx tsa tsd tsi tso tsp tsr tss tst tsx tta ttd tti tto ttp ttr tts ttt ttx txi txs txt xaa xad xap xar xas xat xda xdi xdr xds xdt xia xii xio xis xit xix xoa xod xoi xoo xop xor xos xot xox xpa xpd xpo xpp xps xpt xrd xrt xrx xsa xsi xsp xss xst xti xtp xtr xts xtx xxi xxo xxp xxx