g-p ggg ggi ggp ggs ggt gig gii gip gis git gpg gpi gpp gps gpt gsg gsi gsp gss gst gtg gti gtp gts gtt igg igi igp igs igt iii iip iis iit ipg ipi ipp ips ipt is- isg isi isp iss ist itg iti itp its itt p-p pgg pgi pgp pgs pgt pig pii pip pis pit ppg ppi ppp pps ppt ps- psg psi psp pss pst pt- ptg pti ptp pts ptt sgg sgi sgp sgs sgt sig sii sip sis sit spg spi spp sps spt ss- ssg ssi ssp sss sst stg sti stp sts stt tgg tgi tgp tgs tgt tig tii tip tis tit tpg tpi tpp tps tpt tsg tsi tsp tss tst ttg tti ttp tts ttt