-er a-a a-b a-i aaa aab aad aae aah aai aao aar aas aau ab- aba abb abd abe abh abi abo abr abs abu ad- ada adb add ade adh adi ado adr ads adu aea aeb aed aee aeh aei aeo aer aes aeu aha ahb ahd ahe ahh ahi aho ahr ahs ahu ai- aia aib aid aie aih aii aio air ais aiu aoa aob aod aoe aoh aoi aoo aor aos aou ar- ara arb ard are arh ari aro arr ars aru as- asa asb asd ase ash asi aso asr ass asu au- aua aub aud aue auh aui auo aur aus b-u baa bab bad bae bah bai bao bar bas bau bba bbb bbd bbe bbh bbi bbo bbr bbs bbu bda bdb bdd bde bdh bdi bdo bdr bds bdu be- bea beb bed bee beh bei beo ber bes beu bha bhb bhd bhe bhh bhi bho bhr bhs bhu bi- bia bib bid bie bih bii bio bir bis biu boa bob bod boe boh boi boo bor bos bou bra brb brd bre brh bri bro brr brs bru bsa bsb bsd bse bsh bsi bso bsr bss bsu bua bub bud bue buh bui buo bur bus buu daa dab dad dae dah dai dao dar das dau dba dbb dbd dbe dbh dbi dbo dbr dbs dbu dda ddb ddd dde ddh ddi ddo ddr dds ddu de- dea deb ded dee deh dei deo der des deu dh- dha dhb dhd dhe dhh dhi dho dhr dhs dhu di- dia dib did die dih dii dio dir dis diu doa dob dod doe doh doi doo dor dos dou dra drb drd dre dri dro drr drs dru dsa dsb dsd dse dsh dsi dso dsr dss dsu dua dub dud due duh dui duo dur dus eaa eab ead eae eah eai eao ear eas eau eba ebb ebd ebe ebh ebi ebo ebr ebs ebu ed- eda edb edd ede edh edi edo edr eds edu eea eeb eed eee eeo eer ees eha ehb ehd ehe ehh ehi eho ehr ehs ehu eia eib eid eie eii eio eir eis eiu eo- eoa eob eod eoe eoh eoi eoo eor eos eou era erb erd ere erh eri ero err ers eru es- esa esb esd ese esh esi eso esr ess esu eu- eua eub eud eue eui eur eus h-i haa hab had hae hah hai hao har has hau hba hbb hbd hbe hbh hbi hbo hbr hbs hbu hda hdb hdd hde hdh hdi hdo hdr hds hdu he- hea heb hed hee heh hei heo her hes heu hha hhb hhd hhe hhh hhi hho hhr hhs hhu hia hib hid hie hih hii hio hir his hiu hoa hob hod hoe hoh hoi hoo hor hos hou hr- hra hrb hrd hre hrh hri hro hrr hrs hru hsa hsb hsd hse hsh hsi hsr hss hsu hua hub hud hue huh hui huo hur hus huu i-d ia- iaa iab iad iae iah iai iao iar ias iau iba ibb ibd ibe ibh ibi ibo ibr ibs ibu ida idb idd ide idh idi ido idr ids idu ie- iea ied iee iei ier ies iha ihb ihd ihe ihh ihi iho ihr ihs ihu iia iib iid iie iih iii iio iir iis iiu io- ioa iob iod ioe ioh ioi ioo ior ios iou ir- ira irb ird ire iri iro irr irs iru is- isa isb isd ise ish isi iso isr iss isu iu- iua iub iud iue iui iur ius o-i oaa oab oad oae oah oai oao oar oas oau ob- oba obb obd obe obh obi obo obr obs obu oda odb odd ode odh odi odo odr ods odu oea oeb oed oee oeh oei oeo oer oes oha ohd ohe ohh ohi oho ohr ohs ohu oia oib oid oie oii oio oir ois oiu oo- ooa oob ood ooh ooi ooo oor oos or- ora orb ord ore orh ori oro orr ors oru os- osa osb osd ose osh osi oso osr oss osu ou- oua oud oue ouh oui ouo our ous ra- raa rab rad rae rah rai rao rar ras rau rba rbb rbd rbe rbh rbi rbo rbr rbs rbu rda rdb rdd rde rdh rdi rdo rdr rds rdu re- rea reb red ree reh rei reo rer res reu rh- rha rhb rhd rhe rhh rhi rho rhr rhs rhu ria rib rid rie rih rii rio rir ris roa rob rod roe roh roi roo ror ros rou rra rrb rrd rrh rri rrr rrs rru rsa rsb rsd rse rsh rsi rso rsr rss rsu rua rub rud rue ruh rui ruo rur rus ruu saa sab sad sae sah sai sao sar sas sau sba sbb sbd sbe sbh sbi sbo sbr sbs sbu sda sdb sdd sde sdh sdi sdo sdr sds sdu se- sea seb sed see seh sei seo ser ses seu sh- sha shb shd she shh shi sho shr shs shu sia sib sid sie sih sii sio sir sis siu soa sob sod soe soh soi soo sor sos sou sr- sra srb srd sre srh sri sro srr srs ss- ssa ssb ssd sse ssh ssi sso ssr sss ssu sua sub sud sue suh sui suo sur sus suu ua- uaa uab uad uae uah uai uao uar uas uau uba ubb ube ubh ubi ubo ubr ubs ubu uda udb udd ude udi udo udr uds udu uea ueb ued uee ueh uei uer ues uha uhb uhd uhe uhh uhi uho uhr uhs uhu uia uib uid uie uii uio uir uis uiu uoa uob uod uoe uoo uor uos ur- ura urb urd ure uri uro urr urs uru usa usb usd use ush usi uso usr uss usu uua uue uur uus