a-a a-i a-t aaa aad aaf aai aao aap aar aas aat ad- ada add adf adi ado adp adr ads adt af- afa afd aff afi afo afp afr afs aft ai- aia aid aif aii aio aip air ais ait aoa aod aof aoi aoo aop aor aos aot ap- apa apd apf api apo app apr aps apt ar- ara ard arf ari aro arp arr ars art as- asa asd asf asi aso asp asr ass ast at- ata atd atf ati ato atp atr ats att daa dad daf dai dao dap dar das dat dda ddd ddf ddi ddo ddp ddr dds ddt dfa dfd dff dfi dfo dfp dfr dfs dft di- dia did dif dii dio dip dir dis dit doa dod dof doi doo dop dor dos dot dpa dpd dpf dpi dpo dpp dpr dps dpt dra drd dri dro drp drr drs drt dsa dsd dsf dsi dso dsp dsr dss dst dta dtd dtf dti dto dtp dtr dts dtt faa fad faf fai fao fap far fas fat fda fdd fdf fdi fdo fdp fdr fds fdt ffa ffd fff ffi ffo ffp ffr ffs fft fia fid fif fii fip fir fis fit foa fof foi foo fop for fos fot fpa fpd fpi fpo fpp fpr fps fpt fra frd frf fri fro frp frr frs frt fsa fsd fsf fsi fso fsp fsr fss fst fta ftd ftf fti fto ftp ftr fts ftt i-d i-f ia- iaa iad iaf iai iao iap iar ias iat ida idd idf idi ido idp idr ids idt ifa ifd iff ifi ifo ifp ifr ifs ift iia iid iif iii iio iip iir iis iit io- ioa iod iof ioi ioo iop ior ios iot ipa ipd ipf ipi ipo ipp ipr ips ipt ir- ira ird irf iri iro irp irr irs irt is- isa isd isf isi iso isp isr iss ist ita itd itf iti ito itp its itt o-i oaa oad oaf oai oao oap oar oas oat oda odd odf odi odo odp odr ods odt of- ofa ofd off ofi ofo ofp ofr ofs oft oia oid oif oii oio oip oir ois oit oo- ooa ood oof ooi ooo oop oor oos oot op- opa opd opf opi opo opp opr ops opt or- ora ord orf ori oro orp orr ors ort os- osa osd osf osi oso osp osr oss ost ot- ota otd otf oti oto otp otr ots ott p-p paa pad paf pai pao pap par pas pat pda pdd pdf pdi pdo pdp pdr pds pdt pfa pfd pff pfi pfo pfp pfr pfs pft pia pid pif pii pio pip pir pis pit poa pod pof poi poo pop por pos pot ppa ppd ppf ppi ppo ppp ppr pps ppt pra prd prf pri pro prp prr prs prt ps- psa psd psf psi pso psp psr pss pst pt- pta ptd ptf pti pto ptp ptr pts ptt ra- raa rad raf rai rao rap rar ras rat rda rdd rdf rdi rdo rdp rdr rds rdt rfa rfd rff rfi rfo rfp rfr rfs rft ria rid rif rii rio rip rir ris rit roa rod rof roi roo rop ror ros rot rpa rpd rpf rpi rpo rpp rpr rps rpt rra rrd rrf rri rrp rrr rrs rrt rsa rsd rsf rsi rso rsp rsr rss rst rta rtd rtf rti rto rtp rtr rts rtt saa sad saf sai sao sap sar sas sat sda sdd sdf sdi sdo sdp sdr sds sdt sfa sfd sff sfi sfo sfp sfr sfs sft sia sid sif sii sio sip sir sis sit soa sod sof soi soo sop sor sos sot spa spd spf spi spo spp spr sps spt sr- sra srd srf sri sro srp srr srs srt ss- ssa ssd ssf ssi sso ssp ssr sss sst sta std stf sti sto stp str sts stt taa tad taf tai tao tap tar tas tat tda tdd tdf tdi tdo tdp tdr tds tdt tfa tfd tff tfi tfo tfp tfr tfs tft tia tid tif tii tio tip tir tis tit to- toa tod tof toi too top tor tos tot tpa tpd tpf tpi tpo tpp tpr tps tpt tra trd trf tri tro trp trr trs trt tsa tsd tsf tsi tso tsp tsr tss tst tta ttd ttf tti tto ttp ttr tts ttt