ddd ddo ddp ddr ddt dod doo dop dor dot dpd dpo dpp dpr dpt drd dro drp drr drt dtd dto dtp dtr dtt odd odo odp odr odt oo- ood ooo oop oor oot op- opd opo opp opr opt or- ord oro orp orr ort ot- otd oto otp otr ott p-p pdd pdo pdp pdr pdt pod poo pop por pot ppd ppo ppp ppr ppt prd pro prp prr prt pt- ptd pto ptp ptr ptt rdd rdo rdp rdr rdt rod roo rop ror rot rpd rpo rpp rpr rpt rrd rrp rrr rrt rtd rto rtp rtr rtt tdd tdo tdp tdr tdt to- tod too top tor tot tpd tpo tpp tpr tpt trd tro trp trr trt ttd tto ttp ttr ttt

dddd ddot ddpo dod- dodd dodo dood doop door doot dopo dopp dopr dopt dord doro dorp dorr dort dotd doto dott dpdt drod drop drot dtdp dtor dtot dttp oddd odoo odop odor odot odrp oooo oord oort ootp opo- opor oppo opto ordo oro- oror orot orro orto oto- otoo otor otpp otro otto pdpr pod- podd podo pood poop poor poot pop- popo popp popt poro porr port potd poto pott ppod pppd pppo pppp pptt pro- prod proo prop prot prpd prrd prtp prtr ptop ptpd ptrd rodd rodo rood roop roor root ropo roro rort roto rotr rott rpdp rptd rrrr rtdt rttp tdor todd todo todt tood toor toot top- topd topo topp topt tord toro torp torr tort totd toto totr tott tppd tppp tppr tptp tptr trod troo trop trot trpp trtr ttop tttt

d-dot d-rod ddddd do-do dodoo dodro doodo dordt dorot dotoo dotto drood droop drop- dropo dropt drott ooooo oopod opodo opto- optot optto ordro orodo ortoo ototo otpor po-po podo- podor poopo poort popop poppo poro- porro porto potoo potop potor potro potto prodd proor proot prop- propp propr propt prot- proto prtor ptprd ptpro ptprr ptprt ro-ro rodor roto- rotor rotot rotto rprop rptor t-pop t-top to-do todor toord topo- topor topot toppo topto torpo torro torto toto- totoo totop tprot trood troop trop- tropo trott ttttt

dododo doorto dorood doropo dororo dotdot dotodo dropto oooooo oordoo opdorp oporto optoro ottoor poopoo popopo poporo poppop poptop pottop pppppp proto- rorodt tootoo toppop torodo tororo torpor tortor totopo totoro totrot tropo- troppo trotro

dod-rot doo-doo ottrott poo-poo pop-top potoroo prodrop proport rootrot too-too tototoo tro-tro

dottodot poorpoor poroporo protopod toottoot top-root torotoro

ddddddddd doot-doot dotdotdot poto-poto proprotor

doortodoor

potoooooooo

door-to-door toptoptoptop

doodoodoodoodoo