-er a-a a-b a-c aaa aab aac aae aah aam aan aao aar aas aau ab- aba abb abc abe abh abm abn abo abr abs abu ac- aca acb acc ace ach acm acn aco acr acs acu aea aeb aec aee aeh aem aen aeo aer aes aeu aha ahb ahc ahe ahh ahm ahn aho ahr ahs ahu ama amb amc ame amh amm amn amo amr ams amu an- ana anb anc ane anh anm ann ano anr ans anu aoa aob aoc aoe aoh aom aon aoo aor aos aou ar- ara arb arc are arh arm arn aro arr ars aru as- asa asb asc ase ash asm asn aso asr ass asu au- aua aub auc aue auh aum aun auo aur aus b-u baa bab bac bae bah bam ban bao bar bas bau bba bbb bbc bbe bbh bbm bbn bbo bbr bbs bbu bca bcb bcc bce bch bcm bcn bco bcr bcs bcu be- bea beb bec bee beh bem ben beo ber bes beu bha bhb bhc bhe bhh bhm bho bhr bhs bhu bma bmb bmc bme bmh bmm bmn bmo bmr bms bmu bna bnb bnc bne bnn bno bnr bns bnu boa bob boc boe boh bom bon boo bor bos bou bra brb bre brh brm brn bro brr brs bru bsa bsb bsc bse bsh bsm bsn bso bsr bss bsu bua bub buc bue buh bum bun buo bur bus buu c-- caa cab cac cae cah cam can cao car cas cau cba cbb cbc cbe cbh cbm cbn cbo cbr cbs cbu cca ccb ccc cce cch ccm ccn cco ccr ccs ccu ce- cea ceb cec cee ceh cem cen ceo cer ces ceu ch- cha chb chc che chh chm chn cho chr chs chu cma cmb cmc cme cmh cmm cmn cmo cmr cms cmu cn- cna cnb cnc cne cnh cnm cnn cno cnr cns cnu co- coa cob coc coe coh com con coo cor cos cou cra crb crc cre crh crm crn cro crr crs cru csa csb csc cse csh csm csn cso csr css csu cua cub cuc cue cuh cum cun cuo cur cus cuu eaa eab eac eae eah eam ean eao ear eas eau eba ebb ebc ebe ebh ebm ebn ebo ebr ebs ebu ec- eca ecb ecc ece ech ecm ecn eco ecr ecs ecu eea eeb eec eee eem een eeo eer ees eha ehb ehc ehe ehh ehm ehn eho ehr ehs ehu em- ema emb emc eme emh emm emn emo emr ems emu en- ena enb enc ene enh enm enn eno enr ens enu eo- eoa eob eoc eoe eoh eom eon eoo eor eos eou era erb erc ere erh erm ern ero err ers eru es- esa esb esc ese esh esm esn eso esr ess esu eu- eua eub euc eue eun eur eus haa hab hac hae hah ham han hao har has hau hba hbb hbc hbe hbh hbm hbn hbo hbr hbs hbu hca hcb hcc hce hch hcm hcn hco hcr hcs he- hea heb hec hee heh hem hen heo her hes heu hha hhb hhc hhe hhh hhm hhn hho hhr hhs hhu hma hmb hmc hme hmh hmm hmo hmr hms hmu hna hnb hnc hne hnh hnn hno hns hnu hoa hob hoc hoe hoh hom hon hoo hor hos hou hr- hra hrb hrc hre hrh hrm hrn hro hrr hrs hru hsa hsb hsc hse hsh hsm hsn hsr hss hsu hua hub huc hue huh hum hun huo hur hus huu m-o m-r maa mab mac mae mah mam man mao mar mas mau mba mbb mbc mbe mbh mbm mbo mbr mbs mbu mc- mca mcb mcc mce mch mcm mcn mco mcr mcs mcu mea meb mec mee meh mem men meo mer mes meu mha mhc mhh mhm mhn mho mhr mhs mhu mma mmb mmc mme mmh mmm mmn mmo mmr mms mmu mna mnb mnc mne mnm mnn mno mnr mns mnu moa mob moc moe moh mom mon moo mor mos mou mra mrb mrc mre mrh mrm mrn mro mrr mrs mru msa msb msc mse msh msm msn mso msr mss msu mua mub muc mue muh mum mun mur mus muu naa nab nac nae nah nam nan nao nar nas nau nba nbb nbc nbe nbm nbn nbo nbr nbs nbu nca ncb ncc nce nch ncm ncn nco ncr ncs ncu ne- nea neb nec nee neh nem nen neo ner nes neu nha nhb nhc nhe nhh nhm nhn nhr nhs nhu nma nmb nmc nme nmh nmm nmn nmo nmr nms nmu nna nnb nnc nne nnh nnm nnn nno nns nnu no- noa nob noc noe noh nom non noo nor nos nou nra nrb nrc nre nrm nrn nro nrr nrs nru nsa nsb nsc nse nsh nsm nsn nso nsr nss nsu nua nub nuc nue nuh num nun nuo nur nus nuu oaa oab oac oae oah oam oan oao oar oas oau ob- oba obb obc obe obh obm obn obo obr obs obu oc- oca ocb occ och ocm ocn oco ocr ocs ocu oea oeb oec oee oeh oem oen oeo oer oes oha ohc ohe ohh ohm ohn oho ohr ohs ohu om- oma omb omc ome omh omm omn omo omr oms omu on- ona onb onc one onh onn ono onr ons onu oo- ooa oob ooc ooh oom oon ooo oor oos or- ora orb orc ore orh orm orn oro orr ors oru os- osa osb osc ose osh osm osn oso osr oss osu ou- oua ouc oue ouh oum oun ouo our ous ra- raa rab rac rae rah ram ran rao rar ras rau rba rbb rbc rbe rbh rbm rbn rbo rbr rbs rbu rca rcb rcc rce