a-a a-t aaa aad aak aao aas aat ad- ada add adk ado ads adt aka akd akk ako aks aoa aod aok aoo aos aot as- asa asd ask aso ass ast at- ata atd ato ats att daa dad dak dao das dat dda ddd ddk ddo dds ddt dka dkk dko dks dkt doa dod dok doo dos dot dsa dsd dsk dso dss dst dta dtd dtk dto dts dtt k-t ka- kaa kad kak kao kas kat kda kdk kdo kds kdt kkk kks kkt koa kod kok koo kos kot ksa ksd ksk kso kss kst kta ktk kto kts ktt oaa oad oak oao oas oat oda odd odo ods odt oka okd okk oko oks oo- ooa ood ook ooo oos oot os- osa osd osk oso oss ost ot- ota otd otk oto ots ott saa sad sak sao sas sat sda sdd sdk sdo sds sdt sk- ska skd skk sko sks skt soa sod sok soo sos sot ss- ssa ssd ssk sso sss sst sta std stk sto sts stt taa tad tak tao tas tat tda tdd tdk tdo tds tdt tka tkk tko tks tkt to- toa tod tok too tos tot tsa tsd tsk tso tss tst tta ttd ttk tto tts ttt