-al a-a a-t aaa aad aal aar aat ad- ada add adl adr adt al- ala ald all alr alt ar- ara ard arl arr art at- ata atd atl atr att daa dad dal dar dat dda ddd ddl ddr ddt dl- dla dld dll dlr dlt dra drd drl drr drt dta dtd dtl dtr dtt la- laa lad lal lar lat lda ldd ldl ldr ldt lla lld lll llr llt lra lrd lrr lrt lta ltd ltl ltr ltt ra- raa rad ral rar rat rda rdd rdl rdr rdt rla rld rll rlr rlt rra rrd rrl rrr rrt rta rtd rtl rtr rtt taa tad tal tar tat tda tdd tdl tdr tdt tla tld tll tlr tlt tra trd trl trr trt tta ttd ttl ttr ttt