-al -er -ol a-a a-c aaa aac aad aae aag aal aao aar ac- aca acc acd ace acg acl aco acr ad- ada adc add ade adg adl ado adr aea aec aed aee aeg ael aeo aer ag- aga agc agd age agg agl ago agr al- ala alc ald ale alg all alo alr aoa aoc aod aoe aog aol aoo aor ar- ara arc ard are arg arl aro arr c-- caa cac cad cae cag cal cao car cca ccc ccd cce ccg ccl cco ccr cda cdc cdd cde cdg cdl cdo cdr ce- cea cec ced cee ceg cel ceo cer cga cgc cgd cge cgg cgl cgo cgr cl- cla clc cld cle clg cll clo clr co- coa coc cod coe cog col coo cor cra crc crd cre crg crl cro crr daa dac dad dae dag dal dao dar dca dcc dcd dce dcg dcl dco dcr dda ddc ddd dde ddg ddl ddo ddr de- dea dec ded dee deg del deo der dga dgc dgd dge dgg dgl dgr dl- dla dlc dld dle dlg dll dlo dlr doa doc dod doe dog dol doo dor dra drc drd dre drg drl dro drr eaa eac ead eae eag eal eao ear ec- eca ecc ecd ece ecg ecl eco ecr ed- eda edc edd ede edg edl edo edr eea eec eed eee eeg eel eeo eer ega egc egd ege egg egl ego egr ela elc eld ele elg ell elo elr eo- eoa eoc eod eoe eog eol eoo eor era erc erd ere erg erl ero err g-d gaa gac gad gae gag gal gao gar gca gcc gcd gce gcg gcl gco gcr gda gdc gdd gde gdl gdo gdr ge- gea gec ged gee geg gel geo ger gga ggc ggd ggg ggo ggr gla glc gld gle glg gll glo glr goa goc god goe gog gol goo gor gra grc grd gre grg grl gro grr la- laa lac lad lae lag lal lao lar lca lcc lcd lce lcg lcl lco lcr lda ldc ldd lde ldg ldl ldo ldr lea lec led lee leg lel leo ler lga lgc lgd lge lgg lgl lgo lgr lla llc lld lle llg lll llo llr loa loc lod loe log lol loo lor lra lrc lrd lrg lro lrr oaa oac oad oae oag oal oao oar oc- oca occ ocd ocg ocl oco ocr oda odc odd ode odg odl odo odr oea oec oed oee oeg oel oeo oer oga ogc ogd oge ogg ogl ogo ola olc old ole olg oll olo oo- ooa ooc ood oog ool ooo oor or- ora orc ord ore org orl oro orr ra- raa rac rad rae rag ral rao rar rca rcc rcd rce rcg rcl rco rcr rda rdc rdd rde rdg rdl rdo rdr re- rea rec red ree reg rel reo rer rga rgc rgd rge rgg rgo rgr rla rlc rld rle rlg rll rlo rlr roa roc rod roe rog rol roo ror rra rrc rrd rrg rrl rrr