ddd ddg ddi ddr dds dgd dgg dgi dgr dgs di- did dig dii dir dis drd drg dri drr drs dsd dsg dsi dsr dss g-d gdd gdi gdr gds ggd ggg ggi ggr ggs gid gig gii gir gis grd grg gri grr grs gsd gsg gsi gsr gss i-d idd idg idi idr ids igd igg igi igr igs iid iii iir iis ir- ird irg iri irr irs is- isd isg isi isr iss rdd rdg rdi rdr rds rgd rgg rgi rgr rgs rid rig rii rir ris rrd rrg rri rrr rrs rsd rsg rsi rsr rss sdd sdg sdi sdr sds sgd sgg sgi sgr sgs sid sig sii sir sis sr- srd srg sri srr srs ss- ssd ssg ssi ssr sss