-ic a-a a-b a-c a-i a-z aaa aab aac aag aai aan aar aau aaz ab- aba abb abc abg abi abn abr abu abz ac- aca acb acc acg aci acn acr acu acz ag- aga agb agc agg agi agn agr agu agz ai- aia aib aic aig aii ain air aiu aiz an- ana anb anc ang ani ann anr anu anz ar- ara arb arc arg ari arn arr aru arz au- aua aub auc aug aui aun aur auz az- aza azb azg azi azn azu azz b-u baa bab bac bag bai ban bar bau baz bba bbb bbc bbg bbi bbn bbr bbu bca bcb bcc bcg bci bcn bcr bcu bcz bga bgb bgc bgg bgi bgn bgr bgu bgz bi- bia bib bic big bii bin bir biu biz bna bnb bnc bng bni bnn bnr bnu bnz bra brb brg bri brn brr bru brz bua bub buc bug bui bun bur buu buz bza bzn bzr bzu bzz c-- caa cab cac cag cai can car cau caz cba cbb cbc cbg cbi cbn cbr cbu cbz cca ccb ccc ccg cci ccn ccr ccu ccz cga cgb cgc cgg cgi cgn cgr cgu ci- cia cib cic cig cii cin cir ciu cn- cna cnb cnc cng cni cnn cnr cnu cra crb crc crg cri crn crr cru crz cua cub cuc cug cui cun cur cuu cuz cz- czc gaa gab gac gag gai gan gar gau gaz gba gbc gbg gbi gbn gbr gbu gbz gca gcb gcc gcg gci gcn gcr gcu gga ggb ggc ggg ggi ggn ggr ggu ggz gia gib gic gig gii gin gir giu giz gna gnb gnc gni gnn gnr gnu gra grb grc grg gri grn grr gru gu- gua gub guc gug gui gun gur guu guz gza gzr gzu ia- iaa iab iac iag iai ian iar iau iaz iba ibb ibc ibg ibi ibn ibr ibu ibz ica icb icc icg ici icn icr icu icz iga igb igc igg igi ign igr igu iia iib iic iii iin iir iiu in- ina inb inc ing ini inn inr inu ir- ira irb irc irg iri irn irr iru iu- iua iub iuc iug iui iur iuz iza izi izu izz n-i naa nab nac nag nai nan nar nau naz nba nbb nbc nbg nbi nbn nbr nbu nca ncb ncc ncg nci ncn ncr ncu nga ngb ngc ngg ngi ngn ngu nia nib nic nig nii nin nir niu niz nna nnb nnc nng nni nnn nnu nnz nra nrb nrc nrg nri nrn nrr nru nrz nua nub nuc nug nui nun nur nuu nzb nzg nzi nzz ra- raa rab rac rag rai ran rar rau raz rba rbb rbc rbg rbi rbn rbr rbu rca rcb rcc rcg rci rcn rcr rcu rga rgb rgc rgg rgi rgn rgr ria rib ric rig rii rin rir riz rna rnb rnc rng rni rnn rnr rnu rnz rra rrb rrc rrg rri rrn rrr rru rua rub ruc rug rui run rur ruu ruz rza rzb ua- uaa uab uac uag uai uan uar uau uaz uba ubb ubc ubg ubi ubn ubr ubu uca ucb ucc ucg uci ucn ucr ucu uga ugb ugc ugg ugi ugn ugr ugu uia uib uic uig uii uin uir uiu un- una unb unc ung uni unn unr unu ur- ura urb urc urg uri urn urr uru urz uua uuc uug uun uur uuu uza uzb uzi uzu z-g zaa zab zac zag zai zan zar zaz zbb zbc zbr zgb zgg zgi zia zib zig zin zir ziz znc znn zub zuc zug zui zun zur zuz zzr zzz