-er a-a a-b a-i a-z aaa aab aad aae aag aai aar aau aaz ab- aba abb abd abe abg abi abr abu abz ad- ada adb add ade adg adi adr adu adz aea aeb aed aee aeg aei aer aeu aez ag- aga agb agd age agg agi agr agu agz ai- aia aib aid aie aig aii air aiu aiz ar- ara arb ard are arg ari arr aru arz au- aua aub aud aue aug aui aur auz az- aza azb azd aze azg azi azu azz b-u baa bab bad bae bag bai bar bau baz bba bbb bbd bbe bbg bbi bbr bbu bda bdb bdd bde bdg bdi bdr bdu bdz be- bea beb bed bee beg bei ber beu bez bga bgb bgd bge bgg bgi bgr bgu bgz bi- bia bib bid bie big bii bir biu biz bra brb brd bre brg bri brr bru brz bua bub bud bue bug bui bur buu buz bza bzd bze bzr bzu bzz daa dab dad dae dag dai dar dau daz dba dbb dbd dbe dbg dbi dbr dbu dbz dda ddb ddd dde ddg ddi ddr ddu ddz de- dea deb ded dee deg dei der deu dez dga dgd dge dgg dgi dgr dgu dgz di- dia dib did die dig dii dir diu diz dra drb drd dre drg dri drr dru drz dua dub dud due dug dui dur duz dza dzb dzd dze dzi dzr dzu eaa eab ead eae eag eai ear eau eaz eba ebb ebd ebe ebg ebi ebr ebu ed- eda edb edd ede edg edi edr edu eea eeb eed eee eeg eer ega egb egd ege egg egi egr egu eia eib eid eie eig eii eir eiu era erb erd ere erg eri err eru erz eu- eua eub eud eue eug eui eur eze ezr ezz g-d gaa gab gad gae gag gai gar gau gaz gba gbd gbe gbg gbi gbr gbu gbz gda gdb gdd gde gdi gdr gdu ge- gea geb ged gee geg gei ger geu gez gga ggb ggd ggg ggi ggr ggu ggz gia gib gid gie gig gii gir giu giz gra grb grd gre grg gri grr gru gu- gua gub gud gue gug gui gur guu guz gza gzr gzu i-d ia- iaa iab iad iae iag iai iar iau iaz iba ibb ibd ibe ibg ibi ibr ibu ibz ida idb idd ide idg idi idr idu ie- iea ied iee ieg iei ier iga igb igd ige igg igi igr igu iia iib iid iie iii iir iiu ir- ira irb ird ire irg iri irr iru iu- iua iub iud iue iug iui iur iuz iza ize izi izu izz ra- raa rab rad rae rag rai rar rau raz rba rbb rbd rbe rbg rbi rbr rbu rda rdb rdd rde rdg rdi rdr rdu re- rea reb red ree reg rei rer reu rez rga rgb rgd rge rgg rgi rgr ria rib rid rie rig rii rir riz rra rrb rrd rrg rri rrr rru rua rub rud rue rug rui rur ruu ruz rza rzb rze ua- uaa uab uad uae uag uai uar uau uaz uba ubb ube ubg ubi ubr ubu uda udb udd ude udg udi udr udu uea ueb ued uee ueg uei uer uga ugb uge ugg ugi ugr ugu uia uib uid uie uig uii uir uiu ur- ura urb urd ure urg uri urr uru urz uua uue uug uur uuu uza uzb uzi uzu z-g zaa zab zad zag zai zar zaz zbb zbr zea zeb zed zee zer zez zgb zgg zgi zia zib zid zie zig zir ziz zub zud zug zui zur zuz zzr zzz