-up ddd dde ddo ddp ddq ddu de- ded dee deo dep deq deu dod doe doo dop doq dou dpd dpe dpo dpp dpu dqe dud due duo dup ed- edd ede edo edp edu eed eee eeo eep eo- eod eoe eoo eop eoq eou ep- epd epe epo epp epq epu eqe eqp eqq equ eu- eud eue eup odd ode odo odp odu oed oee oeo oep oo- ood ooo oop op- opd ope opo opp opq oqo ou- oud oue ouo oup p-p pdd pde pdo pdp pdq pdu ped pee peo pep peu pod poe poo pop pou ppd ppe ppo ppp ppq ppu pqq pud pue pup puu qed qee qeo qep qoo qop qpp qqq qqu qu- qud que quo udd ude udo udp udu ued uee uep uod uoe uoo uop up- upd upe upo upp upu uue uuu