a-a a-t aaa aad aak aar aas aat ad- ada add adk adr ads adt aka akd akk akr aks ar- ara ard ark arr ars art as- asa asd ask asr ass ast at- ata atd atr ats att daa dad dak dar das dat dda ddd ddk ddr dds ddt dka dkk dkr dks dkt dra drd drk drr drs drt dsa dsd dsk dsr dss dst dta dtd dtk dtr dts dtt k-t ka- kaa kad kak kar kas kat kda kdk kdr kds kdt kkk kkr kks kkt kra krd krk krr krs krt ksa ksd ksk ksr kss kst kta ktk ktr kts ktt ra- raa rad rak rar ras rat rda rdd rdr rds rdt rkk rks rkt rra rrd rrk rrr rrs rrt rsa rsd rsk rsr rss rst rta rtd rtk rtr rts rtt saa sad sak sar sas sat sda sdd sdk sdr sds sdt sk- ska skd skk skr sks skt sr- sra srd srk srr srs srt ss- ssa ssd ssk ssr sss sst sta std stk str sts stt taa tad tak tar tas tat tda tdd tdk tdr tds tdt tka tkk tkr tks tkt tra trd trk trr trs trt tsa tsd tsk tsr tss tst tta ttd ttk ttr tts ttt