-er a-a a-b a-c a-q aaa aab aac aad aae aah aao aaq aar aas aau ab- aba abb abc abd abe abh abo abq abr abs abu ac- aca acb acc acd ace ach aco acq acr acs acu ad- ada adb adc add ade adh ado adq adr ads adu aea aeb aec aed aee aeh aeo aeq aer aes aeu aha ahb ahc ahd ahe ahh aho ahq ahr ahs ahu aoa aob aoc aod aoe aoh aoo aor aos aou aqa aqc aqo aqr aqs ar- ara arb arc ard are arh aro arq arr ars aru as- asa asb asc asd ase ash aso asq asr ass asu au- aua aub auc aud aue auh auo aur aus b-u baa bab bac bad bae bah bao baq bar bas bau bba bbb bbc bbd bbe bbh bbo bbq bbr bbs bbu bca bcb bcc bcd bce bch bco bcq bcr bcs bcu bda bdb bdc bdd bde bdh bdo bdq bdr bds bdu be- bea beb bec bed bee beh beo beq ber bes beu bha bhb bhc bhd bhe bhh bho bhq bhr bhs bhu boa bob boc bod boe boh boo boq bor bos bou bqc bqd bqe bra brb brd bre brh bro brq brr brs bru bsa bsb bsc bsd bse bsh bso bsr bss bsu bua bub buc bud bue buh buo bur bus buu c-- caa cab cac cad cae cah cao caq car cas cau cba cbb cbc cbd cbe cbh cbo cbq cbr cbs cbu cca ccb ccc ccd cce cch cco ccr ccs ccu cda cdb cdc cdd cde cdh cdo cdq cdr cds cdu ce- cea ceb cec ced cee ceh ceo ceq cer ces ceu ch- cha chb chc chd che chh cho chq chr chs chu co- coa cob coc cod coe coh coo coq cor cos cou cqa cqb cqc cqd cqo cqs cra crb crc crd cre crh cro crq crr crs cru csa csb csc csd cse csh cso csq csr css csu cua cub cuc cud cue cuh cuo cuq cur cus cuu daa dab dac dad dae dah dao daq dar das dau dba dbb dbc dbd dbe dbh dbo dbq dbr dbs dbu dca dcb dcc dcd dce dco dcr dcs dcu dda ddb ddc ddd dde ddh ddo ddq ddr dds ddu de- dea deb dec ded dee deh deo deq der des deu dh- dha dhb dhc dhd dhe dhh dho dhr dhs dhu doa dob doc dod doe doh doo doq dor dos dou dqa dqe dqs dra drb drc drd dre dro drq drr drs dru dsa dsb dsc dsd dse dsh dso dsq dsr dss dsu dua dub duc dud due duh duo dur dus eaa eab eac ead eae eah eao ear eas eau eba ebb ebc ebd ebe ebh ebo ebq ebr ebs ebu ec- eca ecb ecc ecd ece ech eco ecq ecr ecs ecu ed- eda edb edc edd ede edh edo edr eds edu eea eeb eec eed eee eeo eer ees eha ehb ehc ehd ehe ehh eho ehr ehs ehu eo- eoa eob eoc eod eoe eoh eoo eoq eor eos eou eqa eqe eqq eqs equ era erb erc erd ere erh ero erq err ers eru es- esa esb esc esd ese esh eso esq esr ess esu eu- eua eub euc eud eue eur eus haa hab hac had hae hah hao haq har has hau hba hbb hbc hbd hbe hbh hbo hbr hbs hbu hca hcb hcc hcd hce hch hco hcr hcs hda hdb hdc hdd hde hdh hdo hdr hds hdu he- hea heb hec hed hee heh heo her hes heu hha hhb hhc hhd hhe hhh hho hhr hhs hhu hoa hob hoc hod hoe hoh hoo hor hos hou hqs hr- hra hrb hrc hrd hre hrh hro hrr hrs hru hsa hsb hsc hsd hse hsh hsq hsr hss hsu hua hub huc hud hue huh huo huq hur hus huu oaa oab oac oad oae oah oao oaq oar oas oau ob- oba obb obc obd obe obh obo obr obs obu oc- oca ocb occ ocd och oco ocr ocs ocu oda odb odc odd ode odh odo odr ods odu oea oeb oec oed oee oeh oeo oer oes oha ohc ohd ohe ohh oho ohq ohr ohs ohu oo- ooa oob ooc ood ooh ooo oor oos oqb oqo or- ora orb orc ord ore orh oro orr ors oru os- osa osb osc osd ose osh oso osq osr oss osu ou- oua ouc oud oue ouh ouo our ous qaa qac qad qah qar qas qau qba qbc qbd qbe qbq qbs qca qcc qcd qco qcs qda qdb qdr qds qec qed qee qeh qeo qhc qhs qoo qor qos qqq qqu qra qrb qrc qre qrh qrs qru qsa qsc qsd qso qsr qu- qua qud que quh quo qur qus ra- raa rab rac rad rae rah rao raq rar ras rau rba rbb rbc rbd rbe rbh rbo rbr rbs rbu rca rcb rcc rcd rce rch rco rcr rcs rcu rda rdb rdc rdd rde rdh rdo rdr rds rdu re- rea reb rec red ree reh reo req rer res reu rh- rha rhb rhc rhd rhe rhh rho rhr rhs rhu roa rob roc rod roe roh roo ror ros rou rqc rqs rra rrb rrc rrd rrh rrq rrr rrs rru rsa rsb rsc rsd rse rsh rso rsq rsr rss rsu rua rub ruc rud rue ruh ruo rur rus ruu saa sab sac sad sae sah sao saq sar sas sau sba sbb sbc sbd sbe sbh sbo sbq sbr sbs sbu sca scb scc scd sce sch sco scr scs scu sda sdb sdc sdd sde sdh sdo sdq sdr sds sdu se- sea seb sec sed see seh seo seq ser ses seu sh- sha shb