-ana aaaa aaad aaan aaar aada aadt aana aand aara aard aart aata aatt adaa adad adan adar adat adda addd addn addr adna adra adta ana- anaa anad anan anar anat anax and- anda andr andt anna annt ant- anta antr antt arad aran arar arat arax arda arna arnd arnt arr- arra arrr arrt arta artr artx at-t at-x ataa atad atan atar atat atax atdt atna atra atrn atrx atta attn attr axan axar axat d-na daad daan daar dada dana dand dann danr dant dara dard darn darr dart data datr datt dddd dnaa dnad dnan dnat dnax dntt draa drad drar drat drax drda drna drra dtaa dtna dttx dtxt dxdr dxnd dxra dxrd dxrr dxrt dxrx dxxr dxxx naaa naad naan naar naat nada nadr nan- nana nand nann nant nara nard narn narr nart narx nata natt natx ndaa ndna ndnt nnnn nntn nrna nrrd nrta ntnd nttr nxdn raad raan raat rada radd radr radt radx rana rand rann rant ranx rara rata ratt raxa rdna rnnt rntd rrad rrat rrna rrrr rtan rtdt rtnd taa- taan taar taat tada tana tand tann tant tanx tara tard tarn tarr tart tata tatr tatt tax- taxa taxt tdna tdra tndd traa trad tran trat trax trna trra trtr tttt txaa txtr xaar xana xand xara xdna xtar xtnd xtra xxxx