a-a a-b aaa aab aae aaj aak aam aau aav ab- aba abb abe abj abk abm abu abv aea aeb aee aej aek aem aeu aev aja ajb aje ajj ajk ajm aju aka akb ake akj akk akm aku akv ama amb ame amk amm amu amv au- aua aub aue auj auk aum auv av- ava avb ave avk avm avu b-u baa bab bae baj bak bam bau bav bba bbb bbe bbk bbm bbu be- bea beb bee bek bem beu bev bja bjj bjk bjm bju bka bkb bke bkk bkm bkv bma bmb bme bmj bmk bmm bmu bmv bua bub bue buj buk bum buu bva bvb bve bvk bvm bvu bvv eaa eab eae eaj eak eam eau eav eba ebb ebe ebj ebk ebm ebu ebv eea eeb eee eek eem eev eja eju eka ekb eke eku ekv em- ema emb eme emk emm emu emv eu- eua eub eue euj euv eva evb eve evm evv jaa jab jae jaj jak jam jau jav jba jbj jbk jbm jbu jea jeb jee jej jek jem jeu jja jjb jjj jjk jju jka jkb jkk jkm jku jkv jma jmb jme jmj jmm jmu jub jue juk jum juv jvb ka- kaa kab kae kaj kak kam kau kav kba kbb kbe kbk kbm kbu ke- kea keb kee kek kem kev kjb kje kju kkb kke kkk kkm kku kkv kma kmb kme kmj kmk kmm kmu kub kue kuj kuk kum kuu kva kvb kvk kvm kvv m-v maa mab mae maj mak mam mau mav mba mbb mbe mbj mbk mbm mbu mbv mea meb mee mej mek mem meu mev mjb mje mjj mjk mjm mka mkb mke mkk mkm mku mkv mma mmb mme mmj mmk mmm mmu mmv mua mub mue muj muk mum muu mva mvb mve mvj mvm mvv ua- uaa uab uae uaj uak uam uau uav uba ubb ube ubk ubu ubv uea ueb uee uem uka ukb uke ukk uku um- uma umb ume umm umu uua uue uum uuu uva uvb uve uvm uvu uvv v-a v-e vaa vab vae vaj vak vam vau vav vba vbk vbm vbv vea veb vee vek vem veu vja vka vkb vkm vm- vma vmm vmu vue vuk vum vuv vva vvb vvm vvv