a-a a-b a-i aaa aab aad aae aag aai aam aau ab- aba abb abd abe abg abi abm abu ad- ada adb add ade adg adi adm adu aea aeb aed aee aeg aei aem aeu ag- aga agb agd age agg agi agm agu ai- aia aib aid aie aig aii aim aiu ama amb amd ame amg ami amm amu au- aua aub aud aue aug aui aum b-u baa bab bad bae bag bai bam bau bba bbb bbd bbe bbg bbi bbm bbu bda bdb bdd bde bdg bdi bdm bdu be- bea beb bed bee beg bei bem beu bga bgb bgd bge bgg bgi bgm bgu bi- bia bib bid bie big bii bim biu bma bmb bmd bme bmg bmi bmm bmu bua bub bud bue bug bui bum buu daa dab dad dae dag dai dam dau dba dbb dbd dbe dbg dbi dbm dbu dda ddb ddd dde ddg ddi ddm ddu de- dea deb ded dee deg dei dem deu dga dgd dge dgg dgi dgm dgu di- dia dib did die dig dii dim diu dma dmb dmd dme dmg dmi dmm dmu dua dub dud due dug dui dum eaa eab ead eae eag eai eam eau eba ebb ebd ebe ebg ebi ebm ebu ed- eda edb edd ede edg edi edm edu eea eeb eed eee eeg eem ega egb egd ege egg egi egm egu eia eib eid eie eig eii eim eiu em- ema emb emd eme emg emi emm emu eu- eua eub eud eue eug eui g-d gaa gab gad gae gag gai gam gau gba gbd gbe gbg gbi gbm gbu gda gdb gdd gde gdi gdm gdu ge- gea geb ged gee geg gei gem geu gga ggb ggd ggg ggi ggm ggu gia gib gid gie gig gii gim giu gma gmb gmd gme gmg gmi gmm gu- gua gub gud gue gug gui gum guu i-d ia- iaa iab iad iae iag iai iam iau iba ibb ibd ibe ibg ibi ibm ibu ida idb idd ide idg idi idm idu ie- iea ied iee ieg iei iem iga igb igd ige igg igi igm igu iia iib iid iie iii iim iiu im- ima imb imd ime img imi imm imu iu- iua iub iud iue iug iui ium maa mab mad mae mag mai mam mau mba mbb mbd mbe mbg mbi mbm mbu mda mdb mdd mde mdg mdi mdm mdu mea meb med mee meg mei mem meu mga mgb mgd mge mgi mgm mgu mi- mia mib mid mie mig mii mim miu mma mmb mmd mme mmg mmi mmm mmu mua mub mud mue mug mui mum muu ua- uaa uab uad uae uag uai uam uau uba ubb ube ubg ubi ubu uda udb udd ude udg udi udm udu uea ueb ued uee ueg uei uem uga ugb uge ugg ugi ugm ugu uia uib uid uie uig uii uim uiu um- uma umb umd ume umg umi umm umu uua uue uug uum uuu