a-a a-t a-z aaa aad aar aas aat aaz ad- ada add adr ads adt adz ar- ara ard arr ars art arz as- asa asd asr ass ast asz at- ata atd atr ats att atz az- aza azd azs azt azz daa dad dar das dat daz dda ddd ddr dds ddt ddz dra drd drr drs drt drz dsa dsd dsr dss dst dsz dta dtd dtr dts dtt dtz dza dzd dzr dzs ra- raa rad rar ras rat raz rda rdd rdr rds rdt rra rrd rrr rrs rrt rsa rsd rsr rss rst rta rtd rtr rts rtt rtz rza saa sad sar sas sat saz sda sdd sdr sds sdt sdz sr- sra srd srr srs srt ss- ssa ssd ssr sss sst ssz sta std str sts stt stz sza szd szr taa tad tar tas tat taz tda tdd tdr tds tdt tra trd trr trs trt trz tsa tsd tsr tss tst tta ttd ttr tts ttt tza tzd tzs zaa zad zar zas zat zaz zds zdt zrs zsa zst zsz zta ztr zzr zzs zzt zzz