g-p ggg ggi ggp ggr ggs gig gii gip gir gis giy gpg gpi gpp gpr gps grg gri grp grr grs gry gsg gsi gsp gsr gss gy- gyp gyr gys igg igi igp igr igs igy iii iip iir iis ipg ipi ipp ipr ips ipy ir- irg iri irp irr irs iry is- isg isi isp isr iss isy iyr iys iyy p-p pgg pgi pgp pgr pgs pgy pig pii pip pir pis ppg ppi ppp ppr pps prg pri prp prr prs pry ps- psg psi psp psr pss psy py- pyg pyr pys rgg rgi rgp rgr rgs rig rii rip rir ris riy rpg rpi rpp rpr rps rrg rri rrp rrr rrs rsg rsi rsp rsr rss ry- ryg ryr rys ryy sgg sgi sgp sgr sgs sig sii sip sir sis spg spi spp spr sps spy sr- srg sri srp srr srs sry ss- ssg ssi ssp ssr sss sy- syg syi syp syr sys yig yii yip yir yis ypg yps yrg yrp yrs ysg ysi ysp ysr yss ysy yyg yys yyy