ddd ddg ddi ddo dds ddt dgd dgg dgi dgs dgt di- did dig dii dio dis dit dod dog doi doo dos dot dsd dsg dsi dso dss dst dtd dtg dti dto dts dtt g-d gdd gdi gdo gds gdt ggd ggg ggi ggo ggs ggt gid gig gii gio gis git god gog goi goo gos got gsd gsg gsi gso gss gst gtd gtg gti gto gts gtt i-d idd idg idi ido ids idt igd igg igi igo igs igt iid iii iio iis iit io- iod iog ioi ioo ios iot is- isd isg isi iso iss ist itd itg iti ito its itt o-i odd odg odi odo ods odt ogd ogg ogi ogo ogs ogt oid oii oio ois oit oo- ood oog ooi ooo oos oot os- osd osg osi oso oss ost ot- otd otg oti oto ots ott sdd sdg sdi sdo sds sdt sgd sgg sgi sgo sgs sgt sid sig sii sio sis sit sod sog soi soo sos sot ss- ssd ssg ssi sso sss sst std stg sti sto sts stt tdd tdg tdi tdo tds tdt tgg tgi tgo tgs tgt tid tig tii tio tis tit to- tod tog toi too tos tot tsd tsg tsi tso tss tst ttd ttg tti tto tts ttt