-up ddd ddm ddp ddt ddu dmd dmm dmp dmt dmu dpd dpm dpp dpt dpu dtd dtm dtp dtt dtu dud dum dup dut mdd mdm mdp mdt mdu mmd mmm mmp mmt mmu mpd mpm mpp mpt mpu mtd mtm mtp mtt mtu mud mum mup mut muu p-p pdd pdm pdp pdt pdu pmd pmm pmp pmt pmu ppd ppm ppp ppt ppu pt- ptd ptm ptp ptt ptu pud pum pup put puu tdd tdm tdp tdt tdu tmd tmm tmp tmt tmu tpd tpm tpp tpt tpu ttd ttm ttp ttt ttu tud tum tup tut tuu udd udm udp udt udu um- umd umm ump umt umu up- upd upm upp upt upu utd utm utp utt utu uum uut uuu