-al -er -ol a-a a-c aaa aac aae aah aal aao aar ac- aca acc ace ach acl aco acr aea aec aee aeh ael aeo aer aha ahc ahe ahh ahl aho ahr al- ala alc ale alh all alo alr aoa aoc aoe aoh aol aoo aor ar- ara arc are arh arl aro arr c-- caa cac cae cah cal cao car cca ccc cce cch ccl cco ccr ce- cea cec cee ceh cel ceo cer ch- cha chc che chh chl cho chr cl- cla clc cle clh cll clo clr co- coa coc coe coh col coo cor cra crc cre crh crl cro crr eaa eac eae eah eal eao ear ec- eca ecc ece ech ecl eco ecr eea eec eee eel eeo eer eha ehc ehe ehh ehl eho ehr ela elc ele elh ell elo elr eo- eoa eoc eoe eoh eol eoo eor era erc ere erh erl ero err haa hac hae hah hal hao har hca hcc hce hch hcl hco hcr he- hea hec hee heh hel heo her hha hhc hhe hhh hhl hho hhr hla hlc hle hlh hll hlo hlr hoa hoc hoe hoh hol hoo hor hr- hra hrc hre hrh hrl hro hrr la- laa lac lae lah lal lao lar lca lcc lce lch lcl lco lcr lea lec lee leh lel leo ler lha lhc lhh lho lhr lla llc lle lll llo llr loa loc loe loh lol loo lor lra lrc lrh lro lrr oaa oac oae oah oal oao oar oc- oca occ och ocl oco ocr oea oec oee oeh oel oeo oer oha ohc ohe ohh ohl oho ohr ola olc ole oll olo oo- ooa ooc ooh ool ooo oor or- ora orc ore orh orl oro orr ra- raa rac rae rah ral rao rar rca rcc rce rch rcl rco rcr re- rea rec ree reh rel reo rer rh- rha rhc rhe rhh rhl rho rhr rla rlc rle rlh rll rlo rlr roa roc roe roh rol roo ror rra rrc rrh rrl rrr