ddd ddg ddi ddp ddr dds ddy dgd dgg dgi dgp dgr dgs di- did dig dii dip dir dis diy dpd dpg dpi dpp dpr dps drd drg dri drp drr drs dry dsd dsg dsi dsp dsr dss dsy dy- dyd dyp dyr dys dyy g-d g-p gdd gdi gdp gdr gds ggd ggg ggi ggp ggr ggs gid gig gii gip gir gis giy gpd gpg gpi gpp gpr gps grd grg gri grp grr grs gry gsd gsg gsi gsp gsr gss gy- gyd gyp gyr gys i-d idd idg idi idp idr ids idy igd igg igi igp igr igs igy iid iii iip iir iis ipd ipg ipi ipp ipr ips ipy ir- ird irg iri irp irr irs iry is- isd isg isi isp isr iss isy iyr iys iyy p-p pdd pdg pdi pdp pdr pds pgd pgg pgi pgp pgr pgs pgy pid pig pii pip pir pis ppd ppg ppi ppp ppr pps prd prg pri prp prr prs pry ps- psd psg psi psp psr pss psy py- pyd pyg pyr pys rdd rdg rdi rdp rdr rds rdy rgd rgg rgi rgp rgr rgs rid rig rii rip rir ris riy rpd rpg rpi rpp rpr rps rrd rrg rri rrp rrr rrs rsd rsg rsi rsp rsr rss ry- ryd ryg ryr rys ryy sdd sdg sdi sdp sdr sds sdy sgd sgg sgi sgp sgr sgs sid sig sii sip sir sis spd spg spi spp spr sps spy sr- srd srg sri srp srr srs sry ss- ssd ssg ssi ssp ssr sss sy- syd syg syi syp syr sys ydg yds ydy yid yig yii yip yir yis ypd ypg yps yrg yrp yrs ysg ysi ysp ysr yss ysy yyg yys yyy