c-- ccc ccd cco ccr cct cdc cdd cdo cdr cdt co- coc cod coo cor cot crc crd cro crr crt ctc ctd cto ctr ctt dcc dcd dco dcr dct ddc ddd ddo ddr ddt doc dod doo dor dot drc drd dro drr drt dtc dtd dto dtr dtt oc- occ ocd oco ocr oct odc odd odo odr odt oo- ooc ood ooo oor oot or- orc ord oro orr ort ot- otc otd oto otr ott rcc rcd rco rcr rct rdc rdd rdo rdr rdt roc rod roo ror rot rrc rrd rrr rrt rtc rtd rto rtr rtt tcc tcd tco tcr tct tdc tdd tdo tdr tdt to- toc tod too tor tot trc trd tro trr trt ttc ttd tto ttr ttt

c-cd cccc ccdc ccdr ccoc ccod ccrc ccrt cctc cctt cd-r cddr cdot coco coct codd cood coot cor- corc cord coro corr cort cotc coto cott crcc crcr crdc croc crod croo cror crot crrt crtc ctor ctot ctrc dccc dcct dctc dddd ddoc ddot ddrc doco doct dod- dodd dodo dood door doot dorc dord doro dorr dort dotd doto dott drod drot dtcc dtor dtot occc occt ocro ocrr oct- octo oddd odoo odor odot oocr oooo oord oort orco ordo oro- oror orot orro ortc orto otcd oto- otoo otor otro otto rccc rcdc rcrd rctc rdoc rocc roco rodd rodo rood roor root rorc roro rort rotc roto rotr rott rrrr rtcc rtdt tccc tcdd tctc tdor toco todd todo todt tood toor toot torc tord toro torr tort totc totd toto totr tott trcc troc trod troo trot trtc trtr tttt

c-cor c-dot ccccc co-co cocc- cocco cocto codco codo coord coro- corod corot corto cott- cotto croco crodo crood croot crott d-dot d-rod ddddd do-do dodoo dodro doodo dordt dorot dotoo dotto drood drott octo- octor ooooo ordoc ordro oroco orodo ortoo ototo r-co- ro-ro rocco rocor rodoc rodor roto- rotor rotot rotto to-do tocco toco- todor toord torro torto toto- totoo troco trood trott ttttt

cocco- cococo cocto- coocoo coodoo cortot crocco dododo doocot doorto dorood dororo dotdot dotodo oooooo oordoo ottoor rococo rocoto rorodt tootoo torodo tororo tortor totoro totrot trotro

cotorro dod-rot doo-doo ottrott rococco rootrot too-too tototoo tro-tro

cocoroco corocoro dottodot tocororo toottoot torotoro

ddddddddd doot-doot dotdotdot roocoocoo

doortodoor rococococo

door-to-door

ccccccccccccccc doodoodoodoodoo