-al -er -ol a-a a-c aaa aac aae aal aao aap aar ac- aca acc ace acl aco acp acr aea aec aee ael aeo aep aer al- ala alc ale all alo alp alr aoa aoc aoe aol aoo aop aor ap- apa apc ape apl apo app apr ar- ara arc are arl aro arp arr c-- caa cac cae cal cao cap car cca ccc cce ccl cco ccp ccr ce- cea cec cee cel ceo cep cer cl- cla clc cle cll clo clp clr co- coa coc coe col coo cop cor cpa cpc cpe cpl cpo cpp cpr cra crc cre crl cro crp crr eaa eac eae eal eao eap ear ec- eca ecc ece ecl eco ecr eea eec eee eel eeo eep eer ela elc ele ell elo elp elr eo- eoa eoc eoe eol eoo eop eor ep- epa epc epe epl epo epp epr era erc ere erl ero erp err l-p la- laa lac lae lal lao lap lar lca lcc lce lcl lco lcp lcr lea lec lee lel leo lep ler lla llc lle lll llo llp llr loa loc loe lol loo lop lor lpa lpc lpe lpl lpo lpp lpr lra lrc lro lrp lrr oaa oac oae oal oao oap oar oc- oca occ ocl oco ocp ocr oea oec oee oel oeo oep oer ola olc ole oll olo olp oo- ooa ooc ool ooo oop oor op- opa opc ope opl opo opp opr or- ora orc ore orl oro orp orr p-p paa pac pae pal pao pap par pca pcc pce pcl pco pcp pcr pea pec pee pel peo pep per pla plc ple pll plo plp plr poa poc poe pol poo pop por ppa ppc ppe ppl ppo ppp ppr pra prc pre prl pro prp prr ra- raa rac rae ral rao rap rar rca rcc rce rcl rco rcp rcr re- rea rec ree rel reo rep rer rla rlc rle rll rlo rlp rlr roa roc roe rol roo rop ror rpa rpc rpe rpl rpo rpp rpr rra rrc rrl rrp rrr