a-a a-q a-z aaa aad aaf aan aaq aar aaz ad- ada add adf adn adq adr adz af- afa afd aff afn afq afr afz an- ana and anf ann anq anr anz aqa aqf aqn aqr ar- ara ard arf arn arq arr arz az- aza azd azf azn azq azz daa dad daf dan daq dar daz dda ddd ddf ddn ddq ddr ddz dfa dfd dff dfn dfq dfr dfz dna dnd dnf dnn dnq dnr dnz dqa dqn dra drd drn drq drr drz dza dzd dzr faa fad faf fan faq far faz fda fdd fdf fdn fdr ffa ffd fff ffn ffr ffz fna fnd fnf fnn fnr fnz fra frd frf frn frq frr fzd naa nad naf nan nar naz nda ndd ndf ndn ndr nfa nfd nff nfn nfr nna nnf nnn nnz nra nrd nrf nrn nrr nrz nzd nzf nzz qaa qad qaf qan qar qaz qda qdr qfa qfd qff qnd qqq qra ra- raa rad raf ran raq rar raz rda rdd rdf rdn rdr rfa rfd rff rfn rfq rfr rfz rna rnd rnn rnr rnz rqn rra rrd rrf rrn rrq rrr rza zaa zad zaf zan zaq zar zaz zdf zfa zfd zfn zfr znd znn zzr zzz