-up ddd ddo ddp ddr ddu ddw dod doo dop dor dou dow dpd dpo dpp dpr dpu dpw drd dro drp drr dru drw dud duo dup dur dwo dwp dwr dwu dww odd odo odp odr odu oo- ood ooo oop oor oow op- opd opo opp opr opw or- ord oro orp orr oru ou- oud ouo oup our owd owo owp owu oww p-p pdd pdo pdp pdr pdu pod poo pop por pou pow ppd ppo ppp ppr ppu ppw prd pro prp prr pru prw pud pup pur puu pwd pwo pwp pwr pwu rdd rdo rdp rdr rdu rod roo rop ror rou row rpd rpo rpp rpr rpu rpw rrd rrp rrr rru rud ruo rup rur ruu rwd rwr rwu udd udo udp udr udu uod uoo uop uor uow up- upd upo upp upr upu upw ur- urd uro urp urr uru urw uur uuu uwp uwr uww wdp wdr wdu wod woo wop wor wou wow wpd wpo wpp wpr wpu wr- wrd wro wrp wrr wru wrw wud wuo wup wur wwd wwo wwp wwu www