-up g-p ggg ggn ggp ggs ggu gnn gnp gns gnu gpg gpn gpp gps gpu gsg gsn gsp gss gsu gu- gug gun gup gus guu ngg ngn ngp ngs ngu nng nnn nnp nns nnu npg npn npp nps npu nsg nsn nsp nss nsu nug nun nup nus nuu p-p pgg pgn pgp pgs pn- png pnn pnp pns pnu ppg ppn ppp pps ppu ps- psg psn psp pss psu pug pun pup pus puu sgg sgn sgp sgs sgu sng snn snp sns snu spg spn spp sps spu ss- ssg ssn ssp sss ssu sug sun sup sus suu ugg ugn ugp ugs ugu un- ung unn unp uns unu up- upg upn upp ups upu usg usn usp uss usu uug uun uus uuu