a-a a-t aaa aad aan aao aar aat ad- ada add adn ado adr adt an- ana and ann ano anr ant aoa aod aon aoo aor aot ar- ara ard arn aro arr art at- ata atd atn ato atr att daa dad dan dao dar dat dda ddd ddn ddo ddr ddt dna dnd dnn dno dnr dnt doa dod don doo dor dot dra drd drn dro drr drt dta dtd dtn dto dtr dtt naa nad nan nao nar nat nda ndd ndn ndo ndr ndt nna nnn nno nnt no- noa nod non noo nor not nra nrd nrn nro nrr nrt nta ntd ntn nto ntr ntt oaa oad oan oao oar oat oda odd odn odo odr odt on- ona ond onn ono onr ont oo- ooa ood oon ooo oor oot or- ora ord orn oro orr ort ot- ota otd otn oto otr ott ra- raa rad ran rao rar rat rda rdd rdn rdo rdr rdt rna rnd rnn rno rnr rnt roa rod ron roo ror rot rra rrd rrn rrr rrt rta rtd rtn rto rtr rtt taa tad tan tao tar tat tda tdd tdn tdo tdr tdt tna tnd tnn tno tnr tnt to- toa tod ton too tor tot tra trd trn tro trr trt tta ttd ttn tto ttr ttt