-al -ol a-a a-c aaa aac aae aah aal aao aap ac- aca acc ace ach acl aco acp aea aec aee aeh ael aeo aep aha ahc ahe ahh ahl aho ahp al- ala alc ale alh all alo alp aoa aoc aoe aoh aol aoo aop ap- apa apc ape aph apl apo app c-- caa cac cae cah cal cao cap cca ccc cce cch ccl cco ccp ce- cea cec cee ceh cel ceo cep ch- cha chc che chh chl cho chp cl- cla clc cle clh cll clo clp co- coa coc coe coh col coo cop cpa cpc cpe cph cpl cpo cpp eaa eac eae eah eal eao eap ec- eca ecc ece ech ecl eco eea eec eee eel eeo eep eha ehc ehe ehh ehl eho ehp ela elc ele elh ell elo elp eo- eoa eoc eoe eoh eol eoo eop ep- epa epc epe eph epl epo epp haa hac hae hah hal hao hap hca hcc hce hch hcl hco hcp he- hea hec hee heh hel heo hep hha hhc hhe hhh hhl hho hhp hla hlc hle hlh hll hlo hlp hoa hoc hoe hoh hol hoo hop hpa hpc hpe hph hpl hpo hpp l-p la- laa lac lae lah lal lao lap lca lcc lce lch lcl lco lcp lea lec lee leh lel leo lep lha lhc lhh lho lhp lla llc lle lll llo llp loa loc loe loh lol loo lop lpa lpc lpe lph lpl lpo lpp oaa oac oae oah oal oao oap oc- oca occ och ocl oco ocp oea oec oee oeh oel oeo oep oha ohc ohe ohh ohl oho ohp ola olc ole oll olo olp oo- ooa ooc ooh ool ooo oop op- opa opc ope oph opl opo opp p-p paa pac pae pah pal pao pap pca pcc pce pch pcl pco pcp pea pec pee peh pel peo pep pha phc phe phl pho php pla plc ple plh pll plo plp poa poc poe poh pol poo pop ppa ppc ppe pph ppl ppo ppp