-al -er -ol a-a a-c aaa aac aae aag aah aal aao aar ac- aca acc ace acg ach acl aco acr aea aec aee aeg aeh ael aeo aer ag- aga agc age agg agh agl ago agr aha ahc ahe ahg ahh ahl aho ahr al- ala alc ale alg alh all alo alr aoa aoc aoe aog aoh aol aoo aor ar- ara arc are arg arh arl aro arr c-- caa cac cae cag cah cal cao car cca ccc cce ccg cch ccl cco ccr ce- cea cec cee ceg ceh cel ceo cer cga cgc cge cgg cgh cgl cgo cgr ch- cha chc che chg chh chl cho chr cl- cla clc cle clg clh cll clo clr co- coa coc coe cog coh col coo cor cra crc cre crg crh crl cro crr eaa eac eae eag eah eal eao ear ec- eca ecc ece ecg ech ecl eco ecr eea eec eee eeg eel eeo eer ega egc ege egg egh egl ego egr eha ehc ehe ehg ehh ehl eho ehr ela elc ele elg elh ell elo elr eo- eoa eoc eoe eog eoh eol eoo eor era erc ere erg erh erl ero err gaa gac gae gag gah gal gao gar gca gcc gce gcg gch gcl gco gcr ge- gea gec gee geg geh gel geo ger gga ggc ggg ggh ggo ggr gha ghc ghe ghg ghh ghl gho ghr gla glc gle glg glh gll glo glr goa goc goe gog goh gol goo gor gra grc gre grg grh grl gro grr haa hac hae hag hah hal hao har hca hcc hce hcg hch hcl hco hcr he- hea hec hee heg heh hel heo her hga hgc hge hgg hgh hgl hgo hgr hha hhc hhe hhg hhh hhl hho hhr hla hlc hle hlg hlh hll hlo hlr hoa hoc hoe hog hoh hol hoo hor hr- hra hrc hre hrg hrh hrl hro hrr la- laa lac lae lag lah lal lao lar lca lcc lce lcg lch lcl lco lcr lea lec lee leg leh lel leo ler lga lgc lge lgg lgh lgl lgo lgr lha lhc lhh lho lhr lla llc lle llg lll llo llr loa loc loe log loh lol loo lor lra lrc lrg lrh lro lrr oaa oac oae oag oah oal oao oar oc- oca occ ocg och ocl oco ocr oea oec oee oeg oeh oel oeo oer oga ogc oge ogg ogh ogl ogo oha ohc ohe ohg ohh ohl oho ohr ola olc ole olg oll olo oo- ooa ooc oog ooh ool ooo oor or- ora orc ore org orh orl oro orr ra- raa rac rae rag rah ral rao rar rca rcc rce rcg rch rcl rco rcr re- rea rec ree reg reh rel reo rer rga rgc rge rgg rgh rgo rgr rh- rha rhc rhe rhg rhh rhl rho rhr rla rlc rle rlg rlh rll rlo rlr roa roc roe rog roh rol roo ror rra rrc rrg rrh rrl rrr