a-a a-t aaa aad aak aan aao aas aat ad- ada add adk adn ado ads adt aka akd akk akn ako aks an- ana and ank ann ano ans ant aoa aod aok aon aoo aos aot as- asa asd ask asn aso ass ast at- ata atd atn ato ats att daa dad dak dan dao das dat dda ddd ddk ddn ddo dds ddt dka dkk dko dks dkt dna dnd dnk dnn dno dns dnt doa dod dok don doo dos dot dsa dsd dsk dsn dso dss dst dta dtd dtk dtn dto dts dtt k-t ka- kaa kad kak kan kao kas kat kda kdk kdo kds kdt kkk kkn kks kkt kn- kna knd knk knn kno knt koa kod kok kon koo kos kot ksa ksd ksk ksn kso kss kst kta ktk ktn kto kts ktt naa nad nak nan nao nas nat nda ndd ndk ndn ndo nds ndt nka nkk nkn nko nks nkt nna nnk nnn nno nns nnt no- noa nod nok non noo nos not nsa nsd nsk nsn nso nss nst nta ntd ntk ntn nto nts ntt oaa oad oak oan oao oas oat oda odd odn odo ods odt oka okd okk oko oks on- ona ond onk onn ono ons ont oo- ooa ood ook oon ooo oos oot os- osa osd osk osn oso oss ost ot- ota otd otk otn oto ots ott saa sad sak san sao sas sat sda sdd sdk sdn sdo sds sdt sk- ska skd skk sko sks skt sna snd snk snn sno sns snt soa sod sok son soo sos sot ss- ssa ssd ssk ssn sso sss sst sta std stk stn sto sts stt taa tad tak tan tao tas tat tda tdd tdk tdn tdo tds tdt tka tkk tko tks tkt tna tnd tnk tnn tno tns tnt to- toa tod tok ton too tos tot tsa tsd tsk tsn tso tss tst tta ttd ttk ttn tto tts ttt