ddd ddg ddn dds ddt dgd dgg dgn dgs dgt dnd dng dnn dns dnt dsd dsg dsn dss dst dtd dtg dtn dts dtt g-d gdd gdn gds gdt ggd ggg ggn ggs ggt gnd gnn gns gnt gsd gsg gsn gss gst gtd gtg gtn gts gtt ndd ndg ndn nds ndt ngd ngg ngn ngs ngt nng nnn nns nnt nsd nsg nsn nss nst ntd ntg ntn nts ntt sdd sdg sdn sds sdt sgd sgg sgn sgs sgt snd sng snn sns snt ss- ssd ssg ssn sss sst std stg stn sts stt tdd tdg tdn tds tdt tgg tgn tgs tgt tnd tng tnn tns tnt tsd tsg tsn tss tst ttd ttg ttn tts ttt