a-a a-i a-t aaa aad aai aar aat aax ad- ada add adi adr adt adx ai- aia aid aii air ait aix ar- ara ard ari arr art arx at- ata atd ati atr att atx ax- axa axi axr axt axx daa dad dai dar dat dax dda ddd ddi ddr ddt ddx di- dia did dii dir dit dix dra drd dri drr drt drx dta dtd dti dtr dtt dtx dxd dxi dxr dxt dxx i-d ia- iaa iad iai iar iat ida idd idi idr idt idx iia iid iii iir iit iix ir- ira ird iri irr irt irx ita itd iti itt itx ixi ra- raa rad rai rar rat rax rda rdd rdi rdr rdt rdx ria rid rii rir rit rix rra rrd rri rrr rrt rta rtd rti rtr rtt rtx rxr t-x taa tad tai tar tat tax tda tdd tdi tdr tdt tdx tia tid tii tir tit tix tra trd tri trr trt trx tta ttd tti ttr ttt ttx txi txt xaa xad xar xat xda xdi xdr xdt xia xii xit xix xrd xrt xrx xti xtr xtx xxi xxx