-al a-a a-c a-t a-z aaa aac aal aar aat aaz ac- aca acc acl acr act acz al- ala alc all alr alt alz ar- ara arc arl arr art arz at- ata atc atl atr att atz az- aza azt azz c-- caa cac cal car cat caz cca ccc ccl ccr cct ccz cl- cla clc cll clr clt clz cra crc crl crr crt crz cta ctc ctl ctr ctt ctz cz- czc czt la- laa lac lal lar lat laz lca lcc lcl lcr lct lla llc lll llr llt llz lra lrc lrr lrt lrz lta ltc ltl ltr ltt ltz lzr ra- raa rac ral rar rat raz rca rcc rcl rcr rct rla rlc rll rlr rlt rra rrc rrl rrr rrt rta rtc rtl rtr rtt rtz rza taa tac tal tar tat taz tca tcc tcl tcr tct tla tlc tll tlr tlt tlz tra trc trl trr trt trz tta ttc ttl ttr ttt tza zaa zac zar zat zaz zcl zla zlr zlt zrl zta ztl ztr zzr zzt zzz