-up a-a a-b aaa aab aag aap aas aau ab- aba abb abg abp abs abu ag- aga agb agg agp ags agu ap- apa apb apg app aps apu as- asa asb asg asp ass asu au- aua aub aug aup aus b-p b-u baa bab bag bap bas bau bba bbb bbg bbp bbs bbu bga bgb bgg bgp bgs bgu bpa bpb bpg bpp bps bpu bsa bsb bsg bsp bss bsu bua bub bug bup bus buu g-p gaa gab gag gap gas gau gba gbg gbp gbs gbu gga ggb ggg ggp ggs ggu gpa gpb gpg gpp gps gpu gsa gsb gsg gsp gss gsu gu- gua gub gug gup gus guu p-p paa pab pag pap pas pau pba pbb pbg pbp pbs pbu pga pgb pgg pgp pgs ppa ppb ppg ppp pps ppu ps- psa psb psg psp pss psu pua pub pug pup pus puu saa sab sag sap sas sau sba sbb sbg sbp sbs sbu sga sgb sgg sgp sgs sgu spa spb spg spp sps spu ss- ssa ssb ssg ssp sss ssu sua sub sug sup sus suu ua- uaa uab uag uap uas uau uba ubb ubg ubp ubs ubu uga ugb ugg ugp ugs ugu up- upa upb upg upp ups upu usa usb usg usp uss usu uua uug uus uuu