-up ddd ddg ddo ddp ddt ddu dgd dgg dgp dgt dgu dod dog doo dop dot dou dpd dpg dpo dpp dpt dpu dtd dtg dto dtp dtt dtu dud dug duo dup dut g-d g-p gdd gdo gdp gdt gdu ggd ggg ggo ggp ggt ggu god gog goo gop got gou gpd gpg gpo gpp gpt gpu gtd gtg gto gtp gtt gtu gu- gud gug guo gup gut guu odd odg odo odp odt odu ogd ogg ogo ogp ogt oo- ood oog ooo oop oot op- opd opg opo opp opt ot- otd otg oto otp ott otu ou- oud ouo oup out p-p pdd pdg pdo pdp pdt pdu pgd pgg pgo pgp pgt pod pog poo pop pot pou ppd ppg ppo ppp ppt ppu pt- ptd ptg pto ptp ptt ptu pud pug pup put puu tdd tdg tdo tdp tdt tdu tgg tgo tgp tgt tgu to- tod tog too top tot tou tpd tpg tpo tpp tpt tpu ttd ttg tto ttp ttt ttu tud tug tuo tup tut tuu udd udg udo udp udt udu ugg ugo ugp ugt ugu uod uog uoo uop uot up- upd upg upo upp upt upu utd uto utp utt utu uug uut uuu