a-a a-b a-c aaa aab aac aae aah aam aao aas aau ab- aba abb abc abe abh abm abo abs abu ac- aca acb acc ace ach acm aco acs acu aea aeb aec aee aeh aem aeo aes aeu aha ahb ahc ahe ahh ahm aho ahs ahu ama amb amc ame amh amm amo ams amu aoa aob aoc aoe aoh aom aoo aos aou as- asa asb asc ase ash asm aso ass asu au- aua aub auc aue auh aum auo aus b-u baa bab bac bae bah bam bao bas bau bba bbb bbc bbe bbh bbm bbo bbs bbu bca bcb bcc bce bch bcm bco bcs bcu be- bea beb bec bee beh bem beo bes beu bha bhb bhc bhe bhh bhm bho bhs bhu bma bmb bmc bme bmh bmm bmo bms bmu boa bob boc boe boh bom boo bos bou bsa bsb bsc bse bsh bsm bso bss bsu bua bub buc bue buh bum buo bus buu c-- caa cab cac cae cah cam cao cas cau cba cbb cbc cbe cbh cbm cbo cbs cbu cca ccb ccc cce cch ccm cco ccs ccu ce- cea ceb cec cee ceh cem ceo ces ceu ch- cha chb chc che chh chm cho chs chu cma cmb cmc cme cmh cmm cmo cms cmu co- coa cob coc coe coh com coo cos cou csa csb csc cse csh csm cso css csu cua cub cuc cue cuh cum cuo cus cuu eaa eab eac eae eah eam eao eas eau eba ebb ebc ebe ebh ebm ebo ebs ebu ec- eca ecb ecc ece ech ecm eco ecs ecu eea eeb eec eee eem eeo ees eha ehb ehc ehe ehh ehm eho ehs ehu em- ema emb emc eme emh emm emo ems emu eo- eoa eob eoc eoe eoh eom eoo eos eou es- esa esb esc ese esh esm eso ess esu eu- eua eub euc eue eus haa hab hac hae hah ham hao has hau hba hbb hbc hbe hbh hbm hbo hbs hbu hca hcb hcc hce hch hcm hco hcs he- hea heb hec hee heh hem heo hes heu hha hhb hhc hhe hhh hhm hho hhs hhu hma hmb hmc hme hmh hmm hmo hms hmu hoa hob hoc hoe hoh hom hoo hos hou hsa hsb hsc hse hsh hsm hss hsu hua hub huc hue huh hum huo hus huu m-o maa mab mac mae mah mam mao mas mau mba mbb mbc mbe mbh mbm mbo mbs mbu mc- mca mcb mcc mce mch mcm mco mcs mcu mea meb mec mee meh mem meo mes meu mha mhc mhh mhm mho mhs mhu mma mmb mmc mme mmh mmm mmo mms mmu moa mob moc moe moh mom moo mos mou msa msb msc mse msh msm mso mss msu mua mub muc mue muh mum mus muu oaa oab oac oae oah oam oao oas oau ob- oba obb obc obe obh obm obo obs obu oc- oca ocb occ och ocm oco ocs ocu oea oeb oec oee oeh oem oeo oes oha ohc ohe ohh ohm oho ohs ohu om- oma omb omc ome omh omm omo oms omu oo- ooa oob ooc ooh oom ooo oos os- osa osb osc ose osh osm oso oss osu ou- oua ouc oue ouh oum ouo ous saa sab sac sae sah sam sao sas sau sba sbb sbc sbe sbh sbm sbo sbs sbu sca scb scc sce sch scm sco scs scu se- sea seb sec see seh sem seo ses seu sh- sha shb shc she shh shm sho shs shu sma smb smc sme smh smm smo sms smu soa sob soc soe soh som soo sos sou ss- ssa ssb ssc sse ssh ssm sso sss ssu sua sub suc sue suh sum suo sus suu ua- uaa uab uac uae uah uam uao uas uau uba ubb ubc ube ubh ubo ubs ubu uca ucb ucc uce uch ucm uco ucs ucu uea ueb uec uee ueh uem ues uha uhb uhc uhe uhh uhm uho uhs uhu um- uma umb umc ume umh umm umo ums umu uoa uob uoc uoe uom uoo uos usa usb usc use ush usm uso uss usu uua uuc uue uum uus uuu