a-a a-t aaa aad aak aao aar aas aat ad- ada add adk ado adr ads adt aka akd akk ako akr aks aoa aod aok aoo aor aos aot ar- ara ard ark aro arr ars art as- asa asd ask aso asr ass ast at- ata atd ato atr ats att daa dad dak dao dar das dat dda ddd ddk ddo ddr dds ddt dka dkk dko dkr dks dkt doa dod dok doo dor dos dot dra drd drk dro drr drs drt dsa dsd dsk dso dsr dss dst dta dtd dtk dto dtr dts dtt k-t ka- kaa kad kak kao kar kas kat kda kdk kdo kdr kds kdt kkk kkr kks kkt koa kod kok koo kor kos kot kra krd krk kro krr krs krt ksa ksd ksk kso ksr kss kst kta ktk kto ktr kts ktt oaa oad oak oao oar oas oat oda odd odo odr ods odt oka okd okk oko okr oks oo- ooa ood ook ooo oor oos oot or- ora ord ork oro orr ors ort os- osa osd osk oso osr oss ost ot- ota otd otk oto otr ots ott ra- raa rad rak rao rar ras rat rda rdd rdo rdr rds rdt rkk rko rks rkt roa rod rok roo ror ros rot rra rrd rrk rrr rrs rrt rsa rsd rsk rso rsr rss rst rta rtd rtk rto rtr rts rtt saa sad sak sao sar sas sat sda sdd sdk sdo sdr sds sdt sk- ska skd skk sko skr sks skt soa sod sok soo sor sos sot sr- sra srd srk sro srr srs srt ss- ssa ssd ssk sso ssr sss sst sta std stk sto str sts stt taa tad tak tao tar tas tat tda tdd tdk tdo tdr tds tdt tka tkk tko tkr tks tkt to- toa tod tok too tor tos tot tra trd trk tro trr trs trt tsa tsd tsk tso tsr tss tst tta ttd ttk tto ttr tts ttt