-al -er -ol a-a a-c aaa aac aad aae aal aao aap aar ac- aca acc acd ace acl aco acp acr ad- ada adc add ade adl ado adp adr aea aec aed aee ael aeo aep aer al- ala alc ald ale all alo alp alr aoa aoc aod aoe aol aoo aop aor ap- apa apc apd ape apl apo app apr ar- ara arc ard are arl aro arp arr c-- caa cac cad cae cal cao cap car cca ccc ccd cce ccl cco ccp ccr cda cdc cdd cde cdl cdo cdp cdr ce- cea cec ced cee cel ceo cep cer cl- cla clc cld cle cll clo clp clr co- coa coc cod coe col coo cop cor cpa cpc cpd cpe cpl cpo cpp cpr cra crc crd cre crl cro crp crr daa dac dad dae dal dao dap dar dca dcc dcd dce dcl dco dcp dcr dda ddc ddd dde ddl ddo ddp ddr de- dea dec ded dee del deo dep der dl- dla dlc dld dle dll dlo dlp dlr doa doc dod doe dol doo dop dor dpa dpc dpd dpe dpl dpo dpp dpr dra drc drd dre drl dro drp drr eaa eac ead eae eal eao eap ear ec- eca ecc ecd ece ecl eco ecr ed- eda edc edd ede edl edo edp edr eea eec eed eee eel eeo eep eer ela elc eld ele ell elo elp elr eo- eoa eoc eod eoe eol eoo eop eor ep- epa epc epd epe epl epo epp epr era erc erd ere erl ero erp err l-p la- laa lac lad lae lal lao lap lar lca lcc lcd lce lcl lco lcp lcr lda ldc ldd lde ldl ldo ldp ldr lea lec led lee lel leo lep ler lla llc lld lle lll llo llp llr loa loc lod loe lol loo lop lor lpa lpc lpd lpe lpl lpo lpp lpr lra lrc lrd lro lrp lrr oaa oac oad oae oal oao oap oar oc- oca occ ocd ocl oco ocp ocr oda odc odd ode odl odo odp odr oea oec oed oee oel oeo oep oer ola olc old ole oll olo olp oo- ooa ooc ood ool ooo oop oor op- opa opc opd ope opl opo opp opr or- ora orc ord ore orl oro orp orr p-p paa pac pad pae pal pao pap par pca pcc pcd pce pcl pco pcp pcr pda pdc pdd pde pdl pdo pdp pdr pea pec ped pee pel peo pep per pla plc pld ple pll plo plp plr poa poc pod poe pol poo pop por ppa ppc ppd ppe ppl ppo ppp ppr pra prc prd pre prl pro prp prr ra- raa rac rad rae ral rao rap rar rca rcc rcd rce rcl rco rcp rcr rda rdc rdd rde rdl rdo rdp rdr re- rea rec red ree rel reo rep rer rla rlc rld rle rll rlo rlp rlr roa roc rod roe rol roo rop ror rpa rpc rpd rpe rpl rpo rpp rpr rra rrc rrd rrl rrp rrr