a-a a-t aaa aad aaf aao aar aas aat ad- ada add adf ado adr ads adt af- afa afd aff afo afr afs aft aoa aod aof aoo aor aos aot ar- ara ard arf aro arr ars art as- asa asd asf aso asr ass ast at- ata atd atf ato atr ats att daa dad daf dao dar das dat dda ddd ddf ddo ddr dds ddt dfa dfd dff dfo dfr dfs dft doa dod dof doo dor dos dot dra drd dro drr drs drt dsa dsd dsf dso dsr dss dst dta dtd dtf dto dtr dts dtt faa fad faf fao far fas fat fda fdd fdf fdo fdr fds fdt ffa ffd fff ffo ffr ffs fft foa fof foo for fos fot fra frd frf fro frr frs frt fsa fsd fsf fso fsr fss fst fta ftd ftf fto ftr fts ftt oaa oad oaf oao oar oas oat oda odd odf odo odr ods odt of- ofa ofd off ofo ofr ofs oft oo- ooa ood oof ooo oor oos oot or- ora ord orf oro orr ors ort os- osa osd osf oso osr oss ost ot- ota otd otf oto otr ots ott ra- raa rad raf rao rar ras rat rda rdd rdf rdo rdr rds rdt rfa rfd rff rfo rfr rfs rft roa rod rof roo ror ros rot rra rrd rrf rrr rrs rrt rsa rsd rsf rso rsr rss rst rta rtd rtf rto rtr rts rtt saa sad saf sao sar sas sat sda sdd sdf sdo sdr sds sdt sfa sfd sff sfo sfr sfs sft soa sod sof soo sor sos sot sr- sra srd srf sro srr srs srt ss- ssa ssd ssf sso ssr sss sst sta std stf sto str sts stt taa tad taf tao tar tas tat tda tdd tdf tdo tdr tds tdt tfa tfd tff tfo tfr tfs tft to- toa tod tof too tor tos tot tra trd trf tro trr trs trt tsa tsd tsf tso tsr tss tst tta ttd ttf tto ttr tts ttt