ddd ddg ddi ddp dds dgd dgg dgi dgp dgs di- did dig dii dip dis dpd dpg dpi dpp dps dsd dsg dsi dsp dss g-d g-p gdd gdi gdp gds ggd ggg ggi ggp ggs gid gig gii gip gis gpd gpg gpi gpp gps gsd gsg gsi gsp gss i-d idd idg idi idp ids igd igg igi igp igs iid iii iip iis ipd ipg ipi ipp ips is- isd isg isi isp iss p-p pdd pdg pdi pdp pds pgd pgg pgi pgp pgs pid pig pii pip pis ppd ppg ppi ppp pps ps- psd psg psi psp pss sdd sdg sdi sdp sds sgd sgg sgi sgp sgs sid sig sii sip sis spd spg spi spp sps ss- ssd ssg ssi ssp sss