a-a a-i a-t aaa aad aai aan aap aar aat ad- ada add adi adn adp adr adt ai- aia aid aii ain aip air ait an- ana and ani ann anp anr ant ap- apa apd api apn app apr apt ar- ara ard ari arn arp arr art at- ata atd ati atn atp atr att daa dad dai dan dap dar dat dda ddd ddi ddn ddp ddr ddt di- dia did dii din dip dir dit dna dnd dni dnn dnp dnr dnt dpa dpd dpi dpn dpp dpr dpt dra drd dri drn drp drr drt dta dtd dti dtn dtp dtr dtt i-d ia- iaa iad iai ian iap iar iat ida idd idi idn idp idr idt iia iid iii iin iip iir iit in- ina ind ini inn inp inr int ipa ipd ipi ipn ipp ipr ipt ir- ira ird iri irn irp irr irt ita itd iti itn itp itt n-i naa nad nai nan nap nar nat nda ndd ndi ndn ndp ndr ndt nia nid nii nin nip nir nit nna nni nnn nnp nnt npa npd npi npn npp npr npt nra nrd nri nrn nrp nrr nrt nta ntd nti ntn ntp ntr ntt p-p paa pad pai pan pap par pat pda pdd pdi pdn pdp pdr pdt pia pid pii pin pip pir pit pn- pna pnd pni pnn pnp pnr pnt ppa ppd ppi ppn ppp ppr ppt pra prd pri prn prp prr prt pt- pta ptd pti ptn ptp ptr ptt ra- raa rad rai ran rap rar rat rda rdd rdi rdn rdp rdr rdt ria rid rii rin rip rir rit rna rnd rni rnn rnp rnr rnt rpa rpd rpi rpn rpp rpr rpt rra rrd rri rrn rrp rrr rrt rta rtd rti rtn rtp rtr rtt taa tad tai tan tap tar tat tda tdd tdi tdn tdp tdr tdt tia tid tii tin tip tir tit tna tnd tni tnn tnp tnr tnt tpa tpd tpi tpn tpp tpr tpt tra trd tri trn trp trr trt tta ttd tti ttn ttp ttr ttt