c-- ccc ccd cck ccn cco cdc cdd cdk cdn cdo ckc ckd cko cn- cnc cnd cnn cno co- coc cod cok con coo dcc dcd dck dcn dco ddc ddd ddk ddn ddo dkc dkk dko dnc dnd dnk dnn dno doc dod dok don doo kcc kcd kck kcn kdc kdk kdo kkc kkk kkn kn- knc knd knk knn kno koc kod kok kon koo ncc ncd nck ncn nco ndc ndd ndk ndn ndo nkc nkk nkn nko nnc nnk nnn nno no- noc nod nok non noo oc- occ ocd ock ocn oco odc odd odn odo okc okd okk oko on- onc ond onk onn ono oo- ooc ood ook oon ooo

c-cd cccc ccdc ccdn ccnc ccoc ccod cdnc cdon ckck ckco ckdo cknc ckoc ckoo cnco cndd cock coco codd cok- coko con- conc cond conk conn cono cood cook coon dccc dcon dddd ddoc dkdc dnoc dock doco dod- dodd dodo doko donc dond donk donn dono dood dook doon kccc kccd kcck kcdc kcdd kckc kckk kckn kcko kcnd kcno kcon kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdoc kdok kkcd kkck kkcn kkco kkdc kkdd kkdo kkkk kknd kknn kkno kkon kkoo knck kncn knco kndc kndd kndk kndn kndo knkk knnd knnk knoc knod knok knon kocd kock kocn kodk kodo kokc kokk kokn koko konc kond konk kono kooc kook koon kooo nccc nccn ncdc ncdn ncnc ncnd ncoc ndcc nddo ndoc nkok nnnn nock noco nodo noko non- nonn nono noo- nook noon nooo occc occn ocon oddd odon odoo okko okno okok okon onc- oncd onco ondo onno onod onon oooo

ccccc cnnnn co-co cocc- cocco cocon codco codo codon cokk- conck conco condo cono- conon d-con dconn ddddd do-do dodon dodoo dokdo dondo donon doodo knock knokk ko-ko kocon kodok kokko kondo konno nnooo no-do no-no nokko nokon nondo nonno okoc onco- onond onoon ooooo

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

cokodok connock conodon docodon donodon doo-doo knockon kokocko kooddoo noddock non-con noncook

knock-on no-knock nokonoko nononono

ddddddddd dokkodo

knockknock

knock-knock

ccccccccccccccc doodoodoodoodoo