-er a-a a-b a-i aaa aab aad aae aag aai aan aar aau ab- aba abb abd abe abg abi abn abr abu ad- ada adb add ade adg adi adn adr adu aea aeb aed aee aeg aei aen aer aeu ag- aga agb agd age agg agi agn agr agu ai- aia aib aid aie aig aii ain air aiu an- ana anb and ane ang ani ann anr anu ar- ara arb ard are arg ari arn arr aru au- aua aub aud aue aug aui aun aur b-u baa bab bad bae bag bai ban bar bau bba bbb bbd bbe bbg bbi bbn bbr bbu bda bdb bdd bde bdg bdi bdr bdu be- bea beb bed bee beg bei ben ber beu bga bgb bgd bge bgg bgi bgn bgr bgu bi- bia bib bid bie big bii bin bir biu bna bnb bnd bne bng bni bnn bnr bnu bra brb brd bre brg bri brn brr bru bua bub bud bue bug bui bun bur buu daa dab dad dae dag dai dan dar dau dba dbb dbd dbe dbg dbi dbn dbr dbu dda ddb ddd dde ddg ddi ddn ddr ddu de- dea deb ded dee deg dei den der deu dga dgd dge dgg dgi dgn dgr dgu di- dia dib did die dig dii din dir diu dna dnb dnd dne dng dni dnn dnr dra drb drd dre drg dri drn drr dru dua dub dud due dug dui dun dur eaa eab ead eae eag eai ean ear eau eba ebb ebd ebe ebg ebi ebn ebr ebu ed- eda edb edd ede edg edi edn edr edu eea eeb eed eee eeg een eer ega egb egd ege egg egi egn egr egu eia eib eid eie eig eii ein eir eiu en- ena enb end ene eng eni enn enr enu era erb erd ere erg eri ern err eru eu- eua eub eud eue eug eui eun eur g-d gaa gab gad gae gag gai gan gar gau gba gbd gbe gbg gbi gbn gbr gbu gda gdb gdd gde gdi gdn gdr gdu ge- gea geb ged gee geg gei gen ger geu gga ggb ggd ggg ggi ggn ggr ggu gia gib gid gie gig gii gin gir giu gna gnb gnd gne gni gnn gnr gnu gra grb grd gre grg gri grn grr gru gu- gua gub gud gue gug gui gun gur guu i-d ia- iaa iab iad iae iag iai ian iar iau iba ibb ibd ibe ibg ibi ibn ibr ibu ida idb idd ide idg idi idn idr idu ie- iea ied iee ieg iei ien ier iga igb igd ige igg igi ign igr igu iia iib iid iie iii iin iir iiu in- ina inb ind ine ing ini inn inr inu ir- ira irb ird ire irg iri irn irr iru iu- iua iub iud iue iug iui iur n-i naa nab nad nae nag nai nan nar nau nba nbb nbd nbe nbg nbi nbn nbr nbu nda ndb ndd nde ndg ndi ndn ndr ndu ne- nea neb ned nee neg nei nen ner neu nga ngb ngd nge ngg ngi ngn ngu nia nib nid nie nig nii nin nir niu nna nnb nne nng nni nnn nnu nra nrb nrd nre nrg nri nrn nrr nru nua nub nud nue nug nui nun nur nuu ra- raa rab rad rae rag rai ran rar rau rba rbb rbd rbe rbg rbi rbn rbr rbu rda rdb rdd rde rdg rdi rdn rdr rdu re- rea reb red ree reg rei ren rer reu rga rgb rgd rge rgg rgi rgn rgr ria rib rid rie rig rii rin rir rna rnb rnd rng rni rnn rnr rnu rra rrb rrd rrg rri rrn rrr rru rua rub rud rue rug rui run rur ruu ua- uaa uab uad uae uag uai uan uar uau uba ubb ube ubg ubi ubn ubr ubu uda udb udd ude udg udi udn udr udu uea ueb ued uee ueg uei uen uer uga ugb uge ugg ugi ugn ugr ugu uia uib uid uie uig uii uin uir uiu un- una unb und une ung uni unn unr unu ur- ura urb urd ure urg uri urn urr uru uua uue uug uun uur uuu