-up b-p b-u bbb bbd bbm bbp bbs bbu bdb bdd bdm bdp bds bdu bmb bmd bmm bmp bms bmu bpb bpd bpm bpp bps bpu bsb bsd bsm bsp bss bsu bub bud bum bup bus buu dbb dbd dbm dbp dbs dbu ddb ddd ddm ddp dds ddu dmb dmd dmm dmp dms dmu dpb dpd dpm dpp dps dpu dsb dsd dsm dsp dss dsu dub dud dum dup dus mbb mbd mbm mbp mbs mbu mdb mdd mdm mdp mds mdu mmb mmd mmm mmp mms mmu mpb mpd mpm mpp mps mpu msb msd msm msp mss msu mub mud mum mup mus muu p-p pbb pbd pbm pbp pbs pbu pdb pdd pdm pdp pds pdu pmb pmd pmm pmp pms pmu ppb ppd ppm ppp pps ppu ps- psb psd psm psp pss psu pub pud pum pup pus puu sbb sbd sbm sbp sbs sbu sdb sdd sdm sdp sds sdu smb smd smm smp sms smu spb spd spm spp sps spu ss- ssb ssd ssm ssp sss ssu sub sud sum sup sus suu ubb ubp ubs ubu udb udd udm udp uds udu um- umb umd umm ump ums umu up- upb upd upm upp ups upu usb usd usm usp uss usu uum uus uuu