a-a a-b a-c aaa aab aac aah aam aan aao aar aas aau ab- aba abb abc abh abm abn abo abr abs abu ac- aca acb acc ach acm acn aco acr acs acu aha ahb ahc ahh ahm ahn aho ahr ahs ahu ama amb amc amh amm amn amo amr ams amu an- ana anb anc anh anm ann ano anr ans anu aoa aob aoc aoh aom aon aoo aor aos aou ar- ara arb arc arh arm arn aro arr ars aru as- asa asb asc ash asm asn aso asr ass asu au- aua aub auc auh aum aun auo aur aus b-u baa bab bac bah bam ban bao bar bas bau bba bbb bbc bbh bbm bbn bbo bbr bbs bbu bca bcb bcc bch bcm bcn bco bcr bcs bcu bha bhb bhc bhh bhm bho bhr bhs bhu bma bmb bmc bmh bmm bmn bmo bmr bms bmu bna bnb bnc bnn bno bnr bns bnu boa bob boc boh bom bon boo bor bos bou bra brb brh brm brn bro brr brs bru bsa bsb bsc bsh bsm bsn bso bsr bss bsu bua bub buc buh bum bun buo bur bus buu c-- caa cab cac cah cam can cao car cas cau cba cbb cbc cbh cbm cbn cbo cbr cbs cbu cca ccb ccc cch ccm ccn cco ccr ccs ccu ch- cha chb chc chh chm chn cho chr chs chu cma cmb cmc cmh cmm cmn cmo cmr cms cmu cn- cna cnb cnc cnh cnm cnn cno cnr cns cnu co- coa cob coc coh com con coo cor cos cou cra crb crc crh crm crn cro crr crs cru csa csb csc csh csm csn cso csr css csu cua cub cuc cuh cum cun cuo cur cus cuu haa hab hac hah ham han hao har has hau hba hbb hbc hbh hbm hbn hbo hbr hbs hbu hca hcb hcc hch hcm hcn hco hcr hcs hha hhb hhc hhh hhm hhn hho hhr hhs hhu hma hmb hmc hmh hmm hmo hmr hms hmu hna hnb hnc hnh hnn hno hns hnu hoa hob hoc hoh hom hon hoo hor hos hou hr- hra hrb hrc hrh hrm hrn hro hrr hrs hru hsa hsb hsc hsh hsm hsn hsr hss hsu hua hub huc huh hum hun huo hur hus huu m-o m-r maa mab mac mah mam man mao mar mas mau mba mbb mbc mbh mbm mbo mbr mbs mbu mc- mca mcb mcc mch mcm mcn mco mcr mcs mcu mha mhc mhh mhm mhn mho mhr mhs mhu mma mmb mmc mmh mmm mmn mmo mmr mms mmu mna mnb mnc mnm mnn mno mnr mns mnu moa mob moc moh mom mon moo mor mos mou mra mrb mrc mrh mrm mrn mro mrr mrs mru msa msb msc msh msm msn mso msr mss msu mua mub muc muh mum mun mur mus muu naa nab nac nah nam nan nao nar nas nau nba nbb nbc nbm nbn nbo nbr nbs nbu nca ncb ncc nch ncm ncn nco ncr ncs ncu nha nhb nhc nhh nhm nhn nhr nhs nhu nma nmb nmc nmh nmm nmn nmo nmr nms nmu nna nnb nnc nnh nnm nnn nno nns nnu no- noa nob noc noh nom non noo nor nos nou nra nrb nrc nrm nrn nro nrr nrs nru nsa nsb nsc nsh nsm nsn nso nsr nss nsu nua nub nuc nuh num nun nuo nur nus nuu oaa oab oac oah oam oan oao oar oas oau ob- oba obb obc obh obm obn obo obr obs obu oc- oca ocb occ och ocm ocn oco ocr ocs ocu oha ohc ohh ohm ohn oho ohr ohs ohu om- oma omb omc omh omm omn omo omr oms omu on- ona onb onc onh onn ono onr ons onu oo- ooa oob ooc ooh oom oon ooo oor oos or- ora orb orc orh orm orn oro orr ors oru os- osa osb osc osh osm osn oso osr oss osu ou- oua ouc ouh oum oun ouo our ous ra- raa rab rac rah ram ran rao rar ras rau rba rbb rbc rbh rbm rbn rbo rbr rbs rbu rca rcb rcc rch rcm rcn rco rcr rcs rcu rh- rha rhb rhc rhh rhm rhn rho rhr rhs rhu rma rmb rmc rmh rmm rmn rmo rmr rms rna rnb rnc rnh rnm rnn rno rnr rns rnu roa rob roc roh rom ron roo ror ros rou rra rrb rrc rrh rrm rrn rrr rrs rru rsa rsb rsc rsh rsm rsn rso rsr rss rsu rua rub ruc ruh rum run ruo rur rus ruu saa sab sac sah sam san sao sar sas sau sba sbb sbc sbh sbm sbn sbo sbr sbs sbu sca scb scc sch scm scn sco scr scs scu sh- sha shb shc shh shm shn sho shr shs shu sma smb smc smh smm smn smo smr sms smu sna snb snc snm snn sno snr sns snu soa sob soc soh som son soo sor sos sou sr- sra srb src srh srm srn sro srr srs ss- ssa ssb ssc ssh ssm ssn sso ssr sss ssu sua sub suc suh sum sun suo sur sus suu ua- uaa uab uac uah uam uan uao uar uas uau uba ubb ubc ubh ubn ubo ubr ubs ubu uca ucb ucc uch ucm ucn uco ucr ucs ucu uha uhb uhc uhh uhm uho uhr uhs uhu um- uma umb umc umh umm umn umo umr ums umu un- una unb unc unh unm unn uno unr uns unu uoa uob uoc uom uon uoo uor uos ur- ura urb urc urm urn uro urr urs uru usa usb usc ush usm usn uso usr uss usu uua uuc uum uun uur uus