a-a a-t aaa aad aak aan aas aat ad- ada add adk adn ads adt aka akd akk akn aks an- ana and ank ann ans ant as- asa asd ask asn ass ast at- ata atd atn ats att daa dad dak dan das dat dda ddd ddk ddn dds ddt dka dkk dks dkt dna dnd dnk dnn dns dnt dsa dsd dsk dsn dss dst dta dtd dtk dtn dts dtt k-t ka- kaa kad kak kan kas kat kda kdk kds kdt kkk kkn kks kkt kn- kna knd knk knn knt ksa ksd ksk ksn kss kst kta ktk ktn kts ktt naa nad nak nan nas nat nda ndd ndk ndn nds ndt nka nkk nkn nks nkt nna nnk nnn nns nnt nsa nsd nsk nsn nss nst nta ntd ntk ntn nts ntt saa sad sak san sas sat sda sdd sdk sdn sds sdt sk- ska skd skk sks skt sna snd snk snn sns snt ss- ssa ssd ssk ssn sss sst sta std stk stn sts stt taa tad tak tan tas tat tda tdd tdk tdn tds tdt tka tkk tks tkt tna tnd tnk tnn tns tnt tsa tsd tsk tsn tss tst tta ttd ttk ttn tts ttt