-er a-a a-b a-c aaa aab aac aad aae aah aar aas aau ab- aba abb abc abd abe abh abr abs abu ac- aca acb acc acd ace ach acr acs acu ad- ada adb adc add ade adh adr ads adu aea aeb aec aed aee aeh aer aes aeu aha ahb ahc ahd ahe ahh ahr ahs ahu ar- ara arb arc ard are arh arr ars aru as- asa asb asc asd ase ash asr ass asu au- aua aub auc aud aue auh aur aus b-u baa bab bac bad bae bah bar bas bau bba bbb bbc bbd bbe bbh bbr bbs bbu bca bcb bcc bcd bce bch bcr bcs bcu bda bdb bdc bdd bde bdh bdr bds bdu be- bea beb bec bed bee beh ber bes beu bha bhb bhc bhd bhe bhh bhr bhs bhu bra brb brd bre brh brr brs bru bsa bsb bsc bsd bse bsh bsr bss bsu bua bub buc bud bue buh bur bus buu c-- caa cab cac cad cae cah car cas cau cba cbb cbc cbd cbe cbh cbr cbs cbu cca ccb ccc ccd cce cch ccr ccs ccu cda cdb cdc cdd cde cdh cdr cds cdu ce- cea ceb cec ced cee ceh cer ces ceu ch- cha chb chc chd che chh chr chs chu cra crb crc crd cre crh crr crs cru csa csb csc csd cse csh csr css csu cua cub cuc cud cue cuh cur cus cuu daa dab dac dad dae dah dar das dau dba dbb dbc dbd dbe dbh dbr dbs dbu dca dcb dcc dcd dce dcr dcs dcu dda ddb ddc ddd dde ddh ddr dds ddu de- dea deb dec ded dee deh der des deu dh- dha dhb dhc dhd dhe dhh dhr dhs dhu dra drb drc drd dre drr drs dru dsa dsb dsc dsd dse dsh dsr dss dsu dua dub duc dud due duh dur dus eaa eab eac ead eae eah ear eas eau eba ebb ebc ebd ebe ebh ebr ebs ebu ec- eca ecb ecc ecd ece ech ecr ecs ecu ed- eda edb edc edd ede edh edr eds edu eea eeb eec eed eee eer ees eha ehb ehc ehd ehe ehh ehr ehs ehu era erb erc erd ere erh err ers eru es- esa esb esc esd ese esh esr ess esu eu- eua eub euc eud eue eur eus haa hab hac had hae hah har has hau hba hbb hbc hbd hbe hbh hbr hbs hbu hca hcb hcc hcd hce hch hcr hcs hda hdb hdc hdd hde hdh hdr hds hdu he- hea heb hec hed hee heh her hes heu hha hhb hhc hhd hhe hhh hhr hhs hhu hr- hra hrb hrc hrd hre hrh hrr hrs hru hsa hsb hsc hsd hse hsh hsr hss hsu hua hub huc hud hue huh hur hus huu ra- raa rab rac rad rae rah rar ras rau rba rbb rbc rbd rbe rbh rbr rbs rbu rca rcb rcc rcd rce rch rcr rcs rcu rda rdb rdc rdd rde rdh rdr rds rdu re- rea reb rec red ree reh rer res reu rh- rha rhb rhc rhd rhe rhh rhr rhs rhu rra rrb rrc rrd rrh rrr rrs rru rsa rsb rsc rsd rse rsh rsr rss rsu rua rub ruc rud rue ruh rur rus ruu saa sab sac sad sae sah sar sas sau sba sbb sbc sbd sbe sbh sbr sbs sbu sca scb scc scd sce sch scr scs scu sda sdb sdc sdd sde sdh sdr sds sdu se- sea seb sec sed see seh ser ses seu sh- sha shb shc shd she shh shr shs shu sr- sra srb src srd sre srh srr srs ss- ssa ssb ssc ssd sse ssh ssr sss ssu sua sub suc sud sue suh sur sus suu ua- uaa uab uac uad uae uah uar uas uau uba ubb ubc ube ubh ubr ubs ubu uca ucb ucc ucd uce uch ucr ucs ucu uda udb udc udd ude udr uds udu uea ueb uec ued uee ueh uer ues uha uhb uhc uhd uhe uhh uhr uhs uhu ur- ura urb urc urd ure urr urs uru usa usb usc usd use ush usr uss usu uua uuc uue uur uus uuu

-ase a-be a-ha aaaa aaab aaac aaad aaae aaah aaar aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aacr aacs aacu aada aadc aade aads aadu aaea aaec aaes aaha aahs aara aarc aard aare aars aaru aasa aasc aasd aase aass aasu aaus abaa abab abac abad abae abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abcd abch abcr abcs abda abdu abec abed abee aber abes abha abhr abhs abra abrc abrs abs- absa absd abse abss absu abua abud abue abus acaa acab acac acad acae acar acas acba acca accc accd acce acch accs accu acda acdb acdc acde acds ace- acea acec aced aceh acer aces acha ache achh achr achs achu acr- acra acrc acre acrr acrs acsa acsc acsd acse acss acu- acue acur acus adaa adab adac adad adae adah adar adas adba adbc adcc adcs adda addc addd adde addr adds addu adea adeb adee adeh ader ades adha adhd adhs adhu adra adre adrs adsa adsr adss adua adub adue adur aeac aeas aebs aecb aede aeer aer- aera aerc aerd aers aesc aesd aess ahab ahac ahad ahah ahar ahas ahau ahed ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss ahua ahus arab arac arad arae arah arar aras arau arba arbe arbh arbs arc- arca arce arch arcs arda ardc arde ards ardu area arec ared aree areh ares areu arh- arhs arr- arra arrc arre arrh arrr arrs arru ars- arsa arsc arsd arse arsu