-al -er -ol a-a a-c aaa aac aae aaf aal aao aap aar ac- aca acc ace acf acl aco acp acr aea aec aee aef ael aeo aep aer af- afa afc afe aff afl afo afp afr al- ala alc ale alf all alo alp alr aoa aoc aoe aof aol aoo aop aor ap- apa apc ape apf apl apo app apr ar- ara arc are arf arl aro arp arr c-- caa cac cae caf cal cao cap car cca ccc cce ccf ccl cco ccp ccr ce- cea cec cee cef cel ceo cep cer cfa cfc cfe cff cfl cfo cfp cfr cl- cla clc cle clf cll clo clp clr co- coa coc coe cof col coo cop cor cpa cpc cpe cpf cpl cpo cpp cpr cra crc cre crf crl cro crp crr eaa eac eae eaf eal eao eap ear ec- eca ecc ece ecf ecl eco ecr eea eec eee eef eel eeo eep eer ef- efa efc efe eff efl efo efp efr ela elc ele elf ell elo elp elr eo- eoa eoc eoe eof eol eoo eop eor ep- epa epc epe epf epl epo epp epr era erc ere erf erl ero erp err faa fac fae faf fal fao fap far fca fcc fce fcf fcl fco fcp fcr fea fec fee fef fel feo fep fer ffa ffc ffe fff ffl ffo ffp ffr fla flc fle flf fll flo flp flr foa foc foe fof fol foo fop for fpa fpc fpe fpl fpo fpp fpr fra frc fre frf frl fro frp frr l-p la- laa lac lae laf lal lao lap lar lca lcc lce lcf lcl lco lcp lcr lea lec lee lef lel leo lep ler lfa lfc lfe lff lfl lfo lfp lfr lla llc lle llf lll llo llp llr loa loc loe lof lol loo lop lor lpa lpc lpe lpf lpl lpo lpp lpr lra lrc lrf lro lrp lrr oaa oac oae oaf oal oao oap oar oc- oca occ ocf ocl oco ocp ocr oea oec oee oef oel oeo oep oer of- ofa ofc ofe off ofl ofo ofp ofr ola olc ole olf oll olo olp oo- ooa ooc oof ool ooo oop oor op- opa opc ope opf opl opo opp opr or- ora orc ore orf orl oro orp orr p-p paa pac pae paf pal pao pap par pca pcc pce pcf pcl pco pcp pcr pea pec pee pef pel peo pep per pfa pfc pfe pff pfl pfo pfp pfr pla plc ple plf pll plo plp plr poa poc poe pof pol poo pop por ppa ppc ppe ppf ppl ppo ppp ppr pra prc pre prf prl pro prp prr ra- raa rac rae raf ral rao rap rar rca rcc rce rcf rcl rco rcp rcr re- rea rec ree ref rel reo rep rer rfa rfc rfe rff rfl rfo rfp rfr rla rlc rle rlf rll rlo rlp rlr roa roc roe rof rol roo rop ror rpa rpc rpe rpf rpl rpo rpp rpr rra rrc rrf rrl rrp rrr