-al -ly -ol a-a a-c aaa aac aag aal aao aax aay ac- aca acc acg acl aco acx acy ag- aga agc agg agl ago agx agy al- ala alc alg all alo alx aly aoa aoc aog aol aoo aox ax- axa axl axo axx ay- aya ayc ayl ayo ayx c-- caa cac cag cal cao cax cay cca ccc ccg ccl cco ccx cga cgc cgg cgl cgo cgy cl- cla clc clg cll clo clx cly co- coa coc cog col coo cox coy cxc cxl cxo cxx cya cyc cyg cyl cyo gaa gac gag gal gao gay gca gcc gcg gcl gco gga ggc ggg ggo gla glc glg gll glo glx gly goa goc gog gol goo gox goy gxa gxl gy- gya gyl gyo la- laa lac lag lal lao lax lay lca lcc lcg lcl lco lcx lcy lga lgc lgg lgl lgo lla llc llg lll llo lly loa loc log lol loo lox loy lxc lxo lxx lya lyc lyg lyl lyo lyx oaa oac oag oal oao oax oc- oca occ ocg ocl oco ocx oga ogc ogg ogl ogo ogx ogy ola olc olg oll olo oly oo- ooa ooc oog ool ooo oox ox- oxa oxc oxo oxx oxy oya oyl oyo xaa xac xag xal xcl xcx xgl xla xlg xoa xoc xog xoo xox xxl xxo xxx xxy xyl xyy yaa yac yag yal yao yax yay yca ycc ycl yco ycy yga ygc ygl ygo ylc ylg yll yly yoc yog yol yoo yox yoy yxa yxy yyc yyg yyy