-th a-a a-t aaa aad aah aar aat aay ad- ada add adh adr adt ady aha ahd ahh ahr aht ahy ar- ara ard arh arr art ary at- ata atd ath atr att ay- aya ayd ayh ayr ayt daa dad dah dar dat day dda ddd ddh ddr ddt ddy dh- dha dhd dhh dhr dht dra drd drr drt dry dta dtd dth dtr dtt dty dy- dya dyd dyr dyy haa had hah har hat hay hda hdd hdh hdr hdt hdy hha hhd hhh hhr hht hhy hr- hra hrd hrh hrr hrt hta htd hth htr htt hty hy- hya hyd hyh hyr hyt hyy ra- raa rad rah rar rat ray rda rdd rdh rdr rdt rdy rh- rha rhd rhh rhr rht rra rrd rrh rrr rrt rta rtd rtr rtt rty ry- rya ryd ryr ryy taa tad tah tar tat tay tda tdd tdh tdr tdt tdy th- tha thd thh thr tht thy tra trd trh trr trt try tta ttd tth ttr ttt tty tya tyd tyr tyt yaa yad yah yar yat yay yda ydt ydy yha yht yra yrt yta ytd yth ytr ytt yyt yyy