ddd ddi ddn ddp ddt di- did dii din dip dit dnd dni dnn dnp dnt dpd dpi dpn dpp dpt dtd dti dtn dtp dtt i-d idd idi idn idp idt iid iii iin iip iit in- ind ini inn inp int ipd ipi ipn ipp ipt itd iti itn itp itt n-i ndd ndi ndn ndp ndt nid nii nin nip nit nni nnn nnp nnt npd npi npn npp npt ntd nti ntn ntp ntt p-p pdd pdi pdn pdp pdt pid pii pin pip pit pn- pnd pni pnn pnp pnt ppd ppi ppn ppp ppt pt- ptd pti ptn ptp ptt tdd tdi tdn tdp tdt tid tii tin tip tit tnd tni tnn tnp tnt tpd tpi tpn tpp tpt ttd tti ttn ttp ttt