-er a-a a-b a-i aaa aab aad aae aah aai aar aas aau ab- aba abb abd abe abh abi abr abs abu ad- ada adb add ade adh adi adr ads adu aea aeb aed aee aeh aei aer aes aeu aha ahb ahd ahe ahh ahi ahr ahs ahu ai- aia aib aid aie aih aii air ais aiu ar- ara arb ard are arh ari arr ars aru as- asa asb asd ase ash asi asr ass asu au- aua aub aud aue auh aui aur aus b-u baa bab bad bae bah bai bar bas bau bba bbb bbd bbe bbh bbi bbr bbs bbu bda bdb bdd bde bdh bdi bdr bds bdu be- bea beb bed bee beh bei ber bes beu bha bhb bhd bhe bhh bhi bhr bhs bhu bi- bia bib bid bie bih bii bir bis biu bra brb brd bre brh bri brr brs bru bsa bsb bsd bse bsh bsi bsr bss bsu bua bub bud bue buh bui bur bus buu daa dab dad dae dah dai dar das dau dba dbb dbd dbe dbh dbi dbr dbs dbu dda ddb ddd dde ddh ddi ddr dds ddu de- dea deb ded dee deh dei der des deu dh- dha dhb dhd dhe dhh dhi dhr dhs dhu di- dia dib did die dih dii dir dis diu dra drb drd dre dri drr drs dru dsa dsb dsd dse dsh dsi dsr dss dsu dua dub dud due duh dui dur dus eaa eab ead eae eah eai ear eas eau eba ebb ebd ebe ebh ebi ebr ebs ebu ed- eda edb edd ede edh edi edr eds edu eea eeb eed eee eer ees eha ehb ehd ehe ehh ehi ehr ehs ehu eia eib eid eie eii eir eis eiu era erb erd ere erh eri err ers eru es- esa esb esd ese esh esi esr ess esu eu- eua eub eud eue eui eur eus h-i haa hab had hae hah hai har has hau hba hbb hbd hbe hbh hbi hbr hbs hbu hda hdb hdd hde hdh hdi hdr hds hdu he- hea heb hed hee heh hei her hes heu hha hhb hhd hhe hhh hhi hhr hhs hhu hia hib hid hie hih hii hir his hiu hr- hra hrb hrd hre hrh hri hrr hrs hru hsa hsb hsd hse hsh hsi hsr hss hsu hua hub hud hue huh hui hur hus huu i-d ia- iaa iab iad iae iah iai iar ias iau iba ibb ibd ibe ibh ibi ibr ibs ibu ida idb idd ide idh idi idr ids idu ie- iea ied iee iei ier ies iha ihb ihd ihe ihh ihi ihr ihs ihu iia iib iid iie iih iii iir iis iiu ir- ira irb ird ire iri irr irs iru is- isa isb isd ise ish isi isr iss isu iu- iua iub iud iue iui iur ius ra- raa rab rad rae rah rai rar ras rau rba rbb rbd rbe rbh rbi rbr rbs rbu rda rdb rdd rde rdh rdi rdr rds rdu re- rea reb red ree reh rei rer res reu rh- rha rhb rhd rhe rhh rhi rhr rhs rhu ria rib rid rie rih rii rir ris rra rrb rrd rrh rri rrr rrs rru rsa rsb rsd rse rsh rsi rsr rss rsu rua rub rud rue ruh rui rur rus ruu saa sab sad sae sah sai sar sas sau sba sbb sbd sbe sbh sbi sbr sbs sbu sda sdb sdd sde sdh sdi sdr sds sdu se- sea seb sed see seh sei ser ses seu sh- sha shb shd she shh shi shr shs shu sia sib sid sie sih sii sir sis siu sr- sra srb srd sre srh sri srr srs ss- ssa ssb ssd sse ssh ssi ssr sss ssu sua sub sud sue suh sui sur sus suu ua- uaa uab uad uae uah uai uar uas uau uba ubb ube ubh ubi ubr ubs ubu uda udb udd ude udi udr uds udu uea ueb ued uee ueh uei uer ues uha uhb uhd uhe uhh uhi uhr uhs uhu uia uib uid uie uii uir uis uiu ur- ura urb urd ure uri urr urs uru usa usb usd use ush usi usr uss usu uua uue uur uus uuu