-up c-- ccc ccd cce ccn cco ccp ccu cdc cdd cde cdn cdo cdp cdu ce- cec ced cee cen ceo cep ceu cn- cnc cnd cne cnn cno cnp cnu co- coc cod coe con coo cop cou cpc cpd cpe cpn cpo cpp cpu cuc cud cue cun cuo cup cuu dcc dcd dce dcn dco dcp dcu ddc ddd dde ddn ddo ddp ddu de- dec ded dee den deo dep deu dnc dnd dne dnn dno dnp doc dod doe don doo dop dou dpc dpd dpe dpn dpo dpp dpu duc dud due dun duo dup ec- ecc ecd ece ecn eco ecu ed- edc edd ede edn edo edp edu eec eed eee een eeo eep en- enc end ene enn eno enp enu eo- eoc eod eoe eon eoo eop eou ep- epc epd epe epn epo epp epu eu- euc eud eue eun eup ncc ncd nce ncn nco ncp ncu ndc ndd nde ndn ndo ndp ndu ne- nec ned nee nen neo nep neu nnc nne nnn nno nnp nnu no- noc nod noe non noo nop nou npc npd npe npn npo npp npu nuc nud nue nun nuo nup nuu oc- occ ocd ocn oco ocp ocu odc odd ode odn odo odp odu oec oed oee oen oeo oep on- onc ond one onn ono onp onu oo- ooc ood oon ooo oop op- opc opd ope opn opo opp ou- ouc oud oue oun ouo oup p-p pcc pcd pce pcn pco pcp pcu pdc pdd pde pdn pdo pdp pdu pec ped pee pen peo pep peu pn- pnc pnd pne pnn pno pnp pnu poc pod poe pon poo pop pou ppc ppd ppe ppn ppo ppp ppu puc pud pue pun pup puu ucc ucd uce ucn uco ucp ucu udc udd ude udn udo udp udu uec ued uee uen uep un- unc und une unn uno unp unu uoc uod uoe uon uoo uop up- upc upd upe upn upo upp upu uuc uue uun uuu