c-- ccc ccd cck ccn cco ccv cdc cdd cdk cdn cdo cdv ckc ckd cko cn- cnc cnd cnn cno cnv co- coc cod cok con coo cov cvc cvd cvk cvn cvo cvv dcc dcd dck dcn dco dcv ddc ddd ddk ddn ddo dkc dkk dko dnc dnd dnk dnn dno doc dod dok don doo dov dvc dvd dvk dvn kcc kcd kck kcn kdc kdk kdo kkc kkk kkn kkv kn- knc knd knk knn kno koc kod kok kon koo kvk kvn kvo kvv ncc ncd nck ncn nco ncv ndc ndd ndk ndn ndo ndv nkc nkk nkn nko nnc nnk nnn nno nnv no- noc nod nok non noo nov nvc nvd nvk nvn nvv oc- occ ocd ock ocn oco ocv odc odd odn odo odv okc okd okk oko on- onc ond onk onn ono oo- ooc ood ook oon ooo oov ov- ovc ovd ovo ovv vcc vcd vcn vco vdc vdd vdk vdo vdv vn- vnd vno vnv voc vod vok von voo vov vvc vvo vvv

c-cd cccc cccv ccdc ccdn ccnc ccoc ccod ccvo cdnc cdon cdvd ckck ckco ckcv ckdo cknc ckoc ckoo ckvo cnco cndd cock coco codd cok- coko con- conc cond conk conn cono conv cood cook coon covo cvcc dccc dccv dcon dcvd dddd ddoc dkdc dnoc dock doco dod- dodd dodo doko donc dond donk donn dono dood dook doon dvno kccc kccd kcck kccv kcdc kcdd kcdv kckc kckk kckn kcko kckv kcnd kcno kcnv kcon kcvd kcvk kcvo kcvv kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdoc kdok kdov kdvv kkcd kkck kkcn kkco kkdc kkdd kkdo kkdv kkkk kknd kknn kkno kkon kkoo kkov kkvv knck kncn knco kndc kndd kndk kndn kndo knkk knnd knnk knoc knod knok knon knvn knvo kocd kock kocn kodk kodo kodv kokc kokk kokn koko konc kond konk kono kooc kook koon kooo koov kovc kovk kovo kvcc kvck kvco kvcv kvnc kvnn kvno kvoc kvod kvok kvon kvoo kvov kvvn kvvv nccc nccn ncdc ncdn ncnc ncnd ncoc ndcc nddo ndoc nkok nkvd nnnn nock noco nodo noko non- nonn nono noo- nook noon nooo noov nov- novo nvcc occc occn ocon oddd odon odoo okko okno okok okon onc- oncd onco ondo onno onod onon oooo ovo- ovod ovon ovoo vcon vdcc vodo vond vonk vonn vooc vovk vvvv

ccccc cddvd cnnnn co-co cocc- cocco cocon codco codo codon cokk- conck conco condo cono- conon convo d-con dconn ddddd do-do dodon dodoo dokdo donck dondo donon donov doodo dvd-d dvonn knock knokk ko-ko kocon kocov kodok kokko kondo konno kovno nnooo no-do no-no nokko nokon nondo nonno novo- novoc okoc onco- ondvd onond onoon ooooo oovoo ovcon vodno vokov vonck vonko

cocco- cococo cocoon concon condon connon conoco coocoo coodoo cookoo docock dododo dok-do dondon knock- kodkod kokoon konkov koodoo kookoo nkonko no-doc nodock non-no noncon nonkon nonodd nonono nonoon noonoo o-knon ockov okondo oooooo ovocon vonock voodoo vvvvvv

cokodok connock conodon docodon donodon doo-doo knockon knov-cd kokocko kondovo konkovo kooddoo noddock non-con noncook

dodonovo knock-on konokovo no-knock nokonoko nononono

ddddddddd dokkodo

knockknock

knock-knock

ccccccccccccccc doodoodoodoodoo