-al -ol a-a a-c a-t a-z aaa aac aal aao aap aat aaz ac- aca acc acl aco acp act acz al- ala alc all alo alp alt alz aoa aoc aol aoo aop aot ap- apa apc apl apo app apt at- ata atc atl ato atp att atz az- aza azo azp azt azz c-- caa cac cal cao cap cat caz cca ccc ccl cco ccp cct ccz cl- cla clc cll clo clp clt clz co- coa coc col coo cop cot coz cpa cpc cpl cpo cpp cpt cpz cta ctc ctl cto ctp ctt ctz cz- czc czo czt l-p la- laa lac lal lao lap lat laz lca lcc lcl lco lcp lct lla llc lll llo llp llt llz loa loc lol loo lop lot loz lpa lpc lpl lpo lpp lpt lpz lta ltc ltl lto ltp ltt ltz lzo oaa oac oal oao oap oat oc- oca occ ocl oco ocp oct ocz ola olc oll olo olp olt oo- ooa ooc ool ooo oop oot op- opa opc opl opo opp opt ot- ota otc otl oto otp ott otz oza ozo ozt ozz p-p paa pac pal pao pap pat paz pca pcc pcl pco pcp pct pla plc pll plo plp plt plz poa poc pol poo pop pot poz ppa ppc ppl ppo ppp ppt ppz pt- pta ptc ptl pto ptp ptt ptz pzc pzl pzp pzt taa tac tal tao tap tat taz tca tcc tcl tco tcp tct tla tlc tll tlo tlp tlt tlz to- toa toc tol too top tot toz tpa tpc tpl tpo tpp tpt tpz tta ttc ttl tto ttp ttt tza zaa zac zao zap zat zaz zcl zco zla zlt zo- zoa zoc zol zoo zot zpc zpl zpo zpp zpt zta ztl zzt zzz