a-a a-i a-z aaa aad aai aan aap aar aaz ad- ada add adi adn adp adr adz ai- aia aid aii ain aip air aiz an- ana and ani ann anp anr anz ap- apa apd api apn app apr ar- ara ard ari arn arp arr arz az- aza azd azi azn azp azz daa dad dai dan dap dar daz dda ddd ddi ddn ddp ddr ddz di- dia did dii din dip dir diz dna dnd dni dnn dnp dnr dnz dpa dpd dpi dpn dpp dpr dpz dra drd dri drn drp drr drz dza dzd dzi dzp dzr i-d ia- iaa iad iai ian iap iar iaz ida idd idi idn idp idr iia iid iii iin iip iir in- ina ind ini inn inp inr ipa ipd ipi ipn ipp ipr ir- ira ird iri irn irp irr iza izi izz n-i naa nad nai nan nap nar naz nda ndd ndi ndn ndp ndr nia nid nii nin nip nir niz nna nni nnn nnp nnz npa npd npi npn npp npr npz nra nrd nri nrn nrp nrr nrz nzd nzi nzp nzz p-p paa pad pai pan pap par paz pda pdd pdi pdn pdp pdr pdz pia pid pii pin pip pir piz pn- pna pnd pni pnn pnp pnr ppa ppd ppi ppn ppp ppr ppz pra prd pri prn prp prr prz pzp ra- raa rad rai ran rap rar raz rda rdd rdi rdn rdp rdr ria rid rii rin rip rir riz rna rnd rni rnn rnp rnr rnz rpa rpd rpi rpn rpp rpr rpz rra rrd rri rrn rrp rrr rza zaa zad zai zan zap zar zaz zia zid zin zip zir ziz znd znn znp zpi zpp zpr zrp zzr zzz