-al -ol a-a a-c a-t a-z aaa aac aal aao aat aaz ac- aca acc acl aco act acz al- ala alc all alo alt alz aoa aoc aol aoo aot at- ata atc atl ato att atz az- aza azo azt azz c-- caa cac cal cao cat caz cca ccc ccl cco cct ccz cl- cla clc cll clo clt clz co- coa coc col coo cot coz cta ctc ctl cto ctt ctz cz- czc czo czt la- laa lac lal lao lat laz lca lcc lcl lco lct lla llc lll llo llt llz loa loc lol loo lot loz lta ltc ltl lto ltt ltz lzo oaa oac oal oao oat oc- oca occ ocl oco oct ocz ola olc oll olo olt oo- ooa ooc ool ooo oot ot- ota otc otl oto ott otz oza ozo ozt ozz taa tac tal tao tat taz tca tcc tcl tco tct tla tlc tll tlo tlt tlz to- toa toc tol too tot toz tta ttc ttl tto ttt tza zaa zac zao zat zaz zcl zco zla zlt zo- zoa zoc zol zoo zot zta ztl zzt zzz