ddd ddg ddi ddo ddp ddr dds dgd dgg dgi dgp dgr dgs di- did dig dii dio dip dir dis dod dog doi doo dop dor dos dpd dpg dpi dpo dpp dpr dps drd drg dri dro drp drr drs dsd dsg dsi dso dsp dsr dss g-d g-p gdd gdi gdo gdp gdr gds ggd ggg ggi ggo ggp ggr ggs gid gig gii gio gip gir gis god gog goi goo gop gor gos gpd gpg gpi gpo gpp gpr gps grd grg gri gro grp grr grs gsd gsg gsi gso gsp gsr gss i-d idd idg idi ido idp idr ids igd igg igi igo igp igr igs iid iii iio iip iir iis io- iod iog ioi ioo iop ior ios ipd ipg ipi ipo ipp ipr ips ir- ird irg iri iro irp irr irs is- isd isg isi iso isp isr iss o-i odd odg odi odo odp odr ods ogd ogg ogi ogo ogp ogs oid oii oio oip oir ois oo- ood oog ooi ooo oop oor oos op- opd opg opi opo opp opr ops or- ord org ori oro orp orr ors os- osd osg osi oso osp osr oss p-p pdd pdg pdi pdo pdp pdr pds pgd pgg pgi pgo pgp pgr pgs pid pig pii pio pip pir pis pod pog poi poo pop por pos ppd ppg ppi ppo ppp ppr pps prd prg pri pro prp prr prs ps- psd psg psi pso psp psr pss rdd rdg rdi rdo rdp rdr rds rgd rgg rgi rgo rgp rgr rgs rid rig rii rio rip rir ris rod rog roi roo rop ror ros rpd rpg rpi rpo rpp rpr rps rrd rrg rri rrp rrr rrs rsd rsg rsi rso rsp rsr rss sdd sdg sdi sdo sdp sdr sds sgd sgg sgi sgo sgp sgr sgs sid sig sii sio sip sir sis sod sog soi soo sop sor sos spd spg spi spo spp spr sps sr- srd srg sri sro srp srr srs ss- ssd ssg ssi sso ssp ssr sss