-up g-p ggg ggn ggp ggr ggs ggu gnn gnp gnr gns gnu gpg gpn gpp gpr gps gpu grg grn grp grr grs gru gsg gsn gsp gsr gss gsu gu- gug gun gup gur gus guu ngg ngn ngp ngs ngu nng nnn nnp nns nnu npg npn npp npr nps npu nrg nrn nrp nrr nrs nru nsg nsn nsp nsr nss nsu nug nun nup nur nus nuu p-p pgg pgn pgp pgr pgs pn- png pnn pnp pnr pns pnu ppg ppn ppp ppr pps ppu prg prn prp prr prs pru ps- psg psn psp psr pss psu pug pun pup pur pus puu rgg rgn rgp rgr rgs rng rnn rnp rnr rns rnu rpg rpn rpp rpr rps rpu rrg rrn rrp rrr rrs rru rsg rsn rsp rsr rss rsu rug run rup rur rus ruu sgg sgn sgp sgr sgs sgu sng snn snp snr sns snu spg spn spp spr sps spu sr- srg srn srp srr srs ss- ssg ssn ssp ssr sss ssu sug sun sup sur sus suu ugg ugn ugp ugr ugs ugu un- ung unn unp unr uns unu up- upg upn upp upr ups upu ur- urg urn urp urr urs uru usg usn usp usr uss usu uug uun uur uus uuu