dddd ddot ddpo dod- dodd dodo dood doop door doot dopo dopp dopr dopt dord doro dorp dorr dort dotd doto dott dowd dowp dowr dowt dpdt drod drop drot drow dtdp dtor dtot dttp dwdd dwor dwrd dwrt dwrw dwww oddd odoo odop odor odot odrp oooo oord oort ootp ootw opo- opor oppo opto ordo oro- oror orot orro orto orwo oto- otoo otor otow otpp otpw otro otto otwo owow owt- owtt pdpr pod- podd podo pood poop poor poot pop- popo popp popt poro porr port potd poto pott potw powp powr powt ppod pppd pppo pppp pptt pro- prod proo prop prot prow prpd prrd prtp prtr ptop ptpd ptrd rodd rodo rodw rood roop roor root ropo roro rort roto rotr rott rowd rowp rowr rowt roww rpdp rptd rrrr rtdt rttp tdor tdwp todd todo todt tood toor toot top- topd topo topp topt tord toro torp torr tort totd toto totr tott tppd tppp tppr tprw tptp tptr trod troo trop trot trow trpp trtr ttop tttt twdt two- twod twoo twop twot twrp wddd wddo wddw wdod wdor wdow wdpr wdpt wdpw wdrr wdrt wdtp wdtr wdtw wdwd wdwr wodd wodt wood woop woot woow wopp word woro worp worr wort worw wotr wott wotw wowo wowp wowt woww wpdr wpdt wpop wpor wpot wpow wppr wppt wprd wpro wprp wprr wprt wptd wptr wptw wpwt wrdd wrdo wrdr wrdt wrdw wrod wroo wrop wrot wrow wrpp wrpr wrpw wrrd wrro wrrw wrto wrtp wrtr wrtw wrwd wrwr wtdr wtod wtor wtot wtow wtpr wtpt wtro wtrp wtrt wtrw wtto wttr wttt wttw wtwo wtwr wtwt wtww wwdp wwdr wwdw wwod wwor wwot wwow wwpr wwpt wwpw wwrd wwrr wwrw wwtd wwtp wwtr wwtw wwwr wwww