g-p ggg ggi ggp ggs gig gii gip gis giy gpg gpi gpp gps gsg gsi gsp gss gy- gyp gys igg igi igp igs igy iii iip iis ipg ipi ipp ips ipy is- isg isi isp iss isy iys iyy p-p pgg pgi pgp pgs pgy pig pii pip pis ppg ppi ppp pps ps- psg psi psp pss psy py- pyg pys sgg sgi sgp sgs sig sii sip sis spg spi spp sps spy ss- ssg ssi ssp sss sy- syg syi syp sys yig yii yip yis ypg yps ysg ysi ysp yss ysy yyg yys yyy