ddd ddg ddi ddr dds ddt dgd dgg dgi dgr dgs dgt di- did dig dii dir dis dit drd drg dri drr drs drt dsd dsg dsi dsr dss dst dtd dtg dti dtr dts dtt g-d gdd gdi gdr gds gdt ggd ggg ggi ggr ggs ggt gid gig gii gir gis git grd grg gri grr grs grt gsd gsg gsi gsr gss gst gtd gtg gti gtr gts gtt i-d idd idg idi idr ids idt igd igg igi igr igs igt iid iii iir iis iit ir- ird irg iri irr irs irt is- isd isg isi isr iss ist itd itg iti its itt rdd rdg rdi rdr rds rdt rgd rgg rgi rgr rgs rgt rid rig rii rir ris rit rrd rrg rri rrr rrs rrt rsd rsg rsi rsr rss rst rtd rtg rti rtr rts rtt sdd sdg sdi sdr sds sdt sgd sgg sgi sgr sgs sgt sid sig sii sir sis sit sr- srd srg sri srr srs srt ss- ssd ssg ssi ssr sss sst std stg sti str sts stt tdd tdg tdi tdr tds tdt tgg tgi tgr tgs tgt tid tig tii tir tis tit trd trg tri trr trs trt tsd tsg tsi tsr tss tst ttd ttg tti ttr tts ttt