-er -up c-- ccc cce ccn cco ccp ccr ccu ccz ce- cec cee cen ceo cep cer ceu cez cn- cnc cne cnn cno cnp cnr cnu co- coc coe con coo cop cor cou coz cpc cpe cpn cpo cpp cpr cpu cpz crc cre crn cro crp crr cru crz cuc cue cun cuo cup cur cuu cuz cz- czc cze czo ec- ecc ece ecn eco ecr ecu eec eee een eeo eep eer en- enc ene enn eno enp enr enu enz eo- eoc eoe eon eoo eop eor eou ep- epc epe epn epo epp epr epu epz erc ere ern ero erp err eru erz eu- euc eue eun eup eur eze ezo ezr ezz ncc nce ncn nco ncp ncr ncu ne- nec nee nen neo nep ner neu nez nnc nne nnn nno nnp nnu nnz no- noc noe non noo nop nor nou noz npc npe npn npo npp npr npu npz nrc nre nrn nro nrp nrr nru nrz nuc nue nun nuo nup nur nuu nze nzo nzp nzz oc- occ ocn oco ocp ocr ocu ocz oec oee oen oeo oep oer on- onc one onn ono onp onr onu oo- ooc oon ooo oop oor op- opc ope opn opo opp opr or- orc ore orn oro orp orr oru orz ou- ouc oue oun ouo oup our oze ozo ozu ozz p-p pcc pce pcn pco pcp pcr pcu pec pee pen peo pep per peu pez pn- pnc pne pnn pno pnp pnr pnu poc poe pon poo pop por pou poz ppc ppe ppn ppo ppp ppr ppu ppz prc pre prn pro prp prr pru prz puc pue pun pup pur puu puz pzc pzp rcc rce rcn rco rcp rcr rcu re- rec ree ren reo rep rer reu rez rnc rnn rno rnp rnr rnu rnz roc roe ron roo rop ror rou roz rpc rpe rpn rpo rpp rpr rpu rpz rrc rrn rrp rrr rru ruc rue run ruo rup rur ruu ruz rze rzo ucc uce ucn uco ucp ucr ucu uec uee uen uep uer un- unc une unn uno unp unr unu uoc uoe uon uoo uop uor up- upc upe upn upo upp upr upu upz ur- urc ure urn uro urp urr uru urz uuc uue uun uur uuu uzo uzu zce zco zec zee zen zeo zep zer zez znc zne znn zno znp zo- zoc zoe zon zoo zor zou zpc zpe zpo zpp zpr zpu zro zrp zuc zun zur zuz zzr zzz