a-a a-b a-q a-z aaa aab aag aan aaq aar aau aav aaz ab- aba abb abg abn abq abr abu abv abz ag- aga agb agg agn agq agr agu agv agz an- ana anb ang ann anq anr anu anv anz aqa aqn aqr ar- ara arb arg arn arq arr aru arv arz au- aua aub aug aun aur auv auz av- ava avb avg avn avq avr avu avz az- aza azb azg azn azq azu azz b-u baa bab bag ban baq bar bau bav baz bba bbb bbg bbn bbq bbr bbu bga bgb bgg bgn bgr bgu bgv bgz bna bnb bng bnn bnr bnu bnv bnz bra brb brg brn brq brr bru brv brz bua bub bug bun bur buu buz bva bvb bvg bvn bvr bvu bvv bza bzn bzr bzu bzz gaa gab gag gan gar gau gav gaz gba gbg gbn gbr gbu gbv gbz gga ggb ggg ggn ggr ggu ggv ggz gna gnb gnn gnr gnu gnv gra grb grg grn grq grr gru grv gu- gua gub gug gun gur guu guv guz gva gvb gvg gvn gvr gvu gza gzr gzu naa nab nag nan nar nau nav naz nba nbb nbg nbn nbr nbu nbv nga ngb ngg ngn ngu nna nnb nng nnn nnu nnv nnz nra nrb nrg nrn nrr nru nrv nrz nua nub nug nun nuq nur nuu nuv nva nvb nvg nvn nvu nvv nzb nzg nzz qaa qag qan qar qau qaz qba qbq qga qgn qnb qqq qqu qra qrb qrg qru qu- qua qur qv- qvz ra- raa rab rag ran raq rar rau rav raz rba rbb rbg rbn rbr rbu rga rgb rgg rgn rgr rgv rna rnb rng rnn rnr rnu rnv rnz rqn rra rrb rrg rrn rrq rrr rru rua rub rug run rur ruu ruv ruz rva rvb rvg rvn rvr rvu rvv rza rzb ua- uaa uab uag uan uaq uar uau uav uaz uba ubb ubg ubn ubr ubu ubv uga ugb ugg ugn ugr ugu un- una unb ung unn unq unr unu unv ur- ura urb urg urn urr uru urz uua uug uun uur uuu uva uvb uvu uvv uza uzb uzu v-a vaa vab vag van var vau vav vaz vba vbg vbr vbv vbz vga vgg vgn vgr vgu vgz vn- vna vng vnr vnu vnv vqa vra vrb vrg vrn vrr vru vug vur vuv vuz vva vvb vvg vvr vvv vvz vzn z-g zaa zab zag zan zaq zar zav zaz zbb zbr zbv zgb zgg zgv znn zub zug zun zur zuz zzr zzz