-er -th a-a a-b a-c a-t aaa aab aac aae aah aam aao aar aat aau ab- aba abb abc abe abh abm abo abr abt abu ac- aca acb acc ace ach acm aco acr act acu aea aeb aec aee aeh aem aeo aer aet aeu aha ahb ahc ahe ahh ahm aho ahr aht ahu ama amb amc ame amh amm amo amr amt amu aoa aob aoc aoe aoh aom aoo aor aot aou ar- ara arb arc are arh arm aro arr art aru at- ata atb atc ate ath atm ato atr att atu au- aua aub auc aue auh aum auo aur aut b-u baa bab bac bae bah bam bao bar bat bau bba bbb bbc bbe bbh bbm bbo bbr bbt bbu bca bcb bcc bce bch bcm bco bcr bct bcu be- bea beb bec bee beh bem beo ber bet beu bha bhb bhc bhe bhh bhm bho bhr bht bhu bma bmb bmc bme bmh bmm bmo bmr bmt bmu boa bob boc boe boh bom boo bor bot bou bra brb bre brh brm bro brr brt bru bta btb btc bte bth btm bto btr btt btu bua bub buc bue buh bum buo bur but buu c-- caa cab cac cae cah cam cao car cat cau cba cbb cbc cbe cbh cbm cbo cbr cbt cbu cca ccb ccc cce cch ccm cco ccr cct ccu ce- cea ceb cec cee ceh cem ceo cer cet ceu ch- cha chb chc che chh chm cho chr cht chu cma cmb cmc cme cmh cmm cmo cmr cmt cmu co- coa cob coc coe coh com coo cor cot cou cra crb crc cre crh crm cro crr crt cru cta ctb ctc cte cth ctm cto ctr ctt ctu cua cub cuc cue cuh cum cuo cur cut cuu eaa eab eac eae eah eam eao ear eat eau eba ebb ebc ebe ebh ebm ebo ebr ebt ebu ec- eca ecb ecc ece ech ecm eco ecr ect ecu eea eeb eec eee eem eeo eer eet eha ehb ehc ehe ehh ehm eho ehr eht ehu em- ema emb emc eme emh emm emo emr emt emu eo- eoa eob eoc eoe eoh eom eoo eor eot eou era erb erc ere erh erm ero err ert eru eta etb etc ete eth etm eto etr ett etu eu- eua eub euc eue eur eut haa hab hac hae hah ham hao har hat hau hba hbb hbc hbe hbh hbm hbo hbr hbt hbu hca hcb hcc hce hch hcm hco hcr hct he- hea heb hec hee heh hem heo her het heu hha hhb hhc hhe hhh hhm hho hhr hht hhu hma hmb hmc hme hmh hmm hmo hmr hmt hmu hoa hob hoc hoe hoh hom hoo hor hot hou hr- hra hrb hrc hre hrh hrm hro hrr hrt hru hta htb htc hte hth htm hto htr htt hua hub huc hue huh hum huo hur hut huu m-o m-r maa mab mac mae mah mam mao mar mat mau mba mbb mbc mbe mbh mbm mbo mbr mbt mbu mc- mca mcb mcc mce mch mcm mco mcr mct mcu mea meb mec mee meh mem meo mer met meu mha mhc mhh mhm mho mhr mht mhu mma mmb mmc mme mmh mmm mmo mmr mmt mmu moa mob moc moe moh mom moo mor mot mou mra mrb mrc mre mrh mrm mro mrr mrt mru mta mtb mtc mte mth mtm mto mtr mtt mtu mua mub muc mue muh mum mur mut muu oaa oab oac oae oah oam oao oar oat oau ob- oba obb obc obe obh obm obo obr obt obu oc- oca ocb occ och ocm oco ocr oct ocu oea oeb oec oee oeh oem oeo oer oet oha ohc ohe ohh ohm oho ohr oht ohu om- oma omb omc ome omh omm omo omr omt omu oo- ooa oob ooc ooh oom ooo oor oot or- ora orb orc ore orh orm oro orr ort oru ot- ota otb otc ote oth otm oto otr ott otu ou- oua ouc oue ouh oum ouo our out ra- raa rab rac rae rah ram rao rar rat rau rba rbb rbc rbe rbh rbm rbo rbr rbt rbu rca rcb rcc rce rch rcm rco rcr rct rcu re- rea reb rec ree reh rem reo rer ret reu rh- rha rhb rhc rhe rhh rhm rho rhr rht rhu rma rmb rmc rme rmh rmm rmo rmr rmt roa rob roc roe roh rom roo ror rot rou rra rrb rrc rrh rrm rrr rrt rru rta rtb rtc rte rtm rto rtr rtt rtu rua rub ruc rue ruh rum ruo rur rut ruu taa tab tac tae tah tam tao tar tat tau tba tbb tbc tbe tbh tbm tbo tbr tbt tbu tca tcb tcc tce tch tcm tco tcr tct tcu te- tea teb tec tee teh tem teo ter tet teu th- tha thb thc the thh thm tho thr tht thu tma tmb tmc tme tmh tmm tmo tmr tmt tmu to- toa tob toc toe toh tom too tor tot tou tra trb trc tre trh trm tro trr trt tru tta ttb ttc tte tth ttm tto ttr ttt ttu tua tub tuc tue tuh tum tuo tur tut tuu ua- uaa uab uac uae uah uam uao uar uat uau uba ubb ubc ube ubh ubo ubr ubt ubu uca ucb ucc uce uch ucm uco ucr uct ucu uea ueb uec uee ueh uem uer uet uha uhb uhc uhe uhh uhm uho uhr uht uhu um- uma umb umc ume umh umm umo umr umt umu uoa uob uoc uoe uom uoo uor uot ur- ura urb urc ure urm uro urr urt uru uta utb utc ute uth utm uto utr