a-a aaa aad aan aao aar aaw ad- ada add adn ado adr adw an- ana and ann ano anr aoa aod aon aoo aor aow ar- ara ard arn aro arr arw aw- awa awd awn awo awr aww daa dad dan dao dar daw dda ddd ddn ddo ddr ddw dna dnd dnn dno dnr dnw doa dod don doo dor dow dra drd drn dro drr drw dwa dwn dwo dwr dww naa nad nan nao nar naw nda ndd ndn ndo ndr nna nnn nno nnw no- noa nod non noo nor now nra nrd nrn nro nrr nrw nwa nwd nwn nwo nwr oaa oad oan oao oar oaw oda odd odn odo odr on- ona ond onn ono onr oo- ooa ood oon ooo oor oow or- ora ord orn oro orr owa owd own owo oww ra- raa rad ran rao rar raw rda rdd rdn rdo rdr rna rnd rnn rno rnr rnw roa rod ron roo ror row rra rrd rrn rrr rwa rwd rwr waa wad wan wao war waw wda wdr wn- wna wnd wnn wno wnw woa wod won woo wor wow wr- wra wrd wrn wro wrr wrw wwa wwd wwn wwo www