ddd ddg ddi ddp dds ddy dgd dgg dgi dgp dgs di- did dig dii dip dis diy dpd dpg dpi dpp dps dsd dsg dsi dsp dss dsy dy- dyd dyp dys dyy g-d g-p gdd gdi gdp gds ggd ggg ggi ggp ggs gid gig gii gip gis giy gpd gpg gpi gpp gps gsd gsg gsi gsp gss gy- gyd gyp gys i-d idd idg idi idp ids idy igd igg igi igp igs igy iid iii iip iis ipd ipg ipi ipp ips ipy is- isd isg isi isp iss isy iys iyy p-p pdd pdg pdi pdp pds pgd pgg pgi pgp pgs pgy pid pig pii pip pis ppd ppg ppi ppp pps ps- psd psg psi psp pss psy py- pyd pyg pys sdd sdg sdi sdp sds sdy sgd sgg sgi sgp sgs sid sig sii sip sis spd spg spi spp sps spy ss- ssd ssg ssi ssp sss sy- syd syg syi syp sys ydg yds ydy yid yig yii yip yis ypd ypg yps ysg ysi ysp yss ysy yyg yys yyy