-up c-- ccc cck ccn cco ccp ccr ccu ckc cko cn- cnc cnn cno cnp cnr cnu co- coc cok con coo cop cor cou cpc cpk cpn cpo cpp cpr cpu crc crk crn cro crp crr cru cuc cuk cun cuo cup cur cuu kcc kck kcn kcp kcr kcu kkc kkk kkn kkp kkr kku kn- knc knk knn kno knp knr knu koc kok kon koo kop kor kou kpc kpk kpn kpo kpp kpr kpu krc krk krn kro krp krr kru kuc kuk kun kup kur kuu ncc nck ncn nco ncp ncr ncu nkc nkk nkn nko nkp nkr nku nnc nnk nnn nno nnp nnu no- noc nok non noo nop nor nou npc npn npo npp npr npu nrc nrk nrn nro nrp nrr nru nuc nuk nun nuo nup nur nuu oc- occ ock ocn oco ocp ocr ocu okc okk oko okp okr oku on- onc onk onn ono onp onr onu oo- ooc ook oon ooo oop oor op- opc opk opn opo opp opr or- orc ork orn oro orp orr oru ou- ouc ouk oun ouo oup our p-p pcc pck pcn pco pcp pcr pcu pkc pkn pko pkp pkr pku pn- pnc pnk pnn pno pnp pnr pnu poc pok pon poo pop por pou ppc ppk ppn ppo ppp ppr ppu prc prk prn pro prp prr pru puc puk pun pup pur puu rcc rcn rco rcp rcr rcu rkc rkk rko rkp rku rnc rnn rno rnp rnr rnu roc rok ron roo rop ror rou rpc rpk rpn rpo rpp rpr rpu rrc rrk rrn rrp rrr rru ruc ruk run ruo rup rur ruu ucc uck ucn uco ucp ucr ucu ukc ukk ukn ukp ukr uku un- unc unk unn uno unp unr unu uoc uok uon uoo uop uor up- upc upk upn upo upp upr upu ur- urc urk urn uro urp urr uru uuc uun uur uuu