-er -up c-- c-j ccc cce ccj cco ccp ccr ccu ccv ce- cec cee cej ceo cep cer ceu cev cjc cjp cjr co- coc coe coj coo cop cor cou cov cpc cpe cpj cpo cpp cpr cpu cpv crc cre crj cro crp crr cru crv cuc cue cuo cup cur cuu cuv cvc cve cvo cvp cvr cvu cvv ec- ecc ece ecj eco ecr ecu ecv eec eee eeo eep eer eev ejc ejo ejp eju eo- eoc eoe eoo eop eor eou ep- epc epe epo epp epr epu erc ere ero erp err eru erv eu- euc eue euj eup eur euv evc eve evo evp evr evv jcc jce jco jcp jcr jcu jec jee jej jeo jep jer jeu jjc jjj jjp jjr jju joc joe joj joo jop jor jou jpc jpe jpj jpo jpp jpr jrc jro jrp jrr jue juo jup jur juv jvc jvp oc- occ ocj oco ocp ocr ocu ocv oec oee oeo oep oer ojc oje ojo oju oo- ooc ooo oop oor oov op- opc ope opj opo opp opr opv or- orc ore oro orp orr oru orv ou- ouc oue ouo oup our ov- ovc ove ovo ovp ovv p-p pcc pce pcj pco pcp pcr pcu pcv pec pee peo pep per peu pev pjc pjo pjp poc poe poo pop por pou pov ppc ppe ppj ppo ppp ppr ppu ppv prc pre pro prp prr pru prv puc pue puj pup pur puu pvc pve pvo pvp pvr pvu pvv rcc rce rcj rco rcp rcr rcu rcv re- rec ree reo rep rer reu rev rjc rjp rjr roc roe roj roo rop ror rou rov rpc rpe rpo rpp rpr rpu rpv rrc rrp rrr rru ruc rue ruo rup rur ruu ruv rvc rve rvo rvp rvr rvu rvv ucc uce ucj uco ucp ucr ucu ucv uec uee uep uer ujc ujo uoc uoe uoj uoo uop uor up- upc upe upj upo upp upr upu upv ur- urc ure uro urp urr uru uuc uue uur uuu uvc uve uvo uvu uvv v-e vcc vce vco vcp vcr vcu vec vee veo vep ver veu voc voe voo vop vor vou vov vpc vpe vpo vpp vpr vpu vrc vre vrp vrr vru vue vup vur vuv vvc vvo vvr vvv