a-a a-i a-t aaa aad aai aan aap aat ad- ada add adi adn adp adt ai- aia aid aii ain aip ait an- ana and ani ann anp ant ap- apa apd api apn app apt at- ata atd ati atn atp att daa dad dai dan dap dat dda ddd ddi ddn ddp ddt di- dia did dii din dip dit dna dnd dni dnn dnp dnt dpa dpd dpi dpn dpp dpt dta dtd dti dtn dtp dtt i-d ia- iaa iad iai ian iap iat ida idd idi idn idp idt iia iid iii iin iip iit in- ina ind ini inn inp int ipa ipd ipi ipn ipp ipt ita itd iti itn itp itt n-i naa nad nai nan nap nat nda ndd ndi ndn ndp ndt nia nid nii nin nip nit nna nni nnn nnp nnt npa npd npi npn npp npt nta ntd nti ntn ntp ntt p-p paa pad pai pan pap pat pda pdd pdi pdn pdp pdt pia pid pii pin pip pit pn- pna pnd pni pnn pnp pnt ppa ppd ppi ppn ppp ppt pt- pta ptd pti ptn ptp ptt taa tad tai tan tap tat tda tdd tdi tdn tdp tdt tia tid tii tin tip tit tna tnd tni tnn tnp tnt tpa tpd tpi tpn tpp tpt tta ttd tti ttn ttp ttt