a-a a-b a-i aaa aab aad aah aai aao aar aas aau ab- aba abb abd abh abi abo abr abs abu ad- ada adb add adh adi ado adr ads adu aha ahb ahd ahh ahi aho ahr ahs ahu ai- aia aib aid aih aii aio air ais aiu aoa aob aod aoh aoi aoo aor aos aou ar- ara arb ard arh ari aro arr ars aru as- asa asb asd ash asi aso asr ass asu au- aua aub aud auh aui auo aur aus b-u baa bab bad bah bai bao bar bas bau bba bbb bbd bbh bbi bbo bbr bbs bbu bda bdb bdd bdh bdi bdo bdr bds bdu bha bhb bhd bhh bhi bho bhr bhs bhu bi- bia bib bid bih bii bio bir bis biu boa bob bod boh boi boo bor bos bou bra brb brd brh bri bro brr brs bru bsa bsb bsd bsh bsi bso bsr bss bsu bua bub bud buh bui buo bur bus buu daa dab dad dah dai dao dar das dau dba dbb dbd dbh dbi dbo dbr dbs dbu dda ddb ddd ddh ddi ddo ddr dds ddu dh- dha dhb dhd dhh dhi dho dhr dhs dhu di- dia dib did dih dii dio dir dis diu doa dob dod doh doi doo dor dos dou dra drb drd dri dro drr drs dru dsa dsb dsd dsh dsi dso dsr dss dsu dua dub dud duh dui duo dur dus h-i haa hab had hah hai hao har has hau hba hbb hbd hbh hbi hbo hbr hbs hbu hda hdb hdd hdh hdi hdo hdr hds hdu hha hhb hhd hhh hhi hho hhr hhs hhu hia hib hid hih hii hio hir his hiu hoa hob hod hoh hoi hoo hor hos hou hr- hra hrb hrd hrh hri hro hrr hrs hru hsa hsb hsd hsh hsi hsr hss hsu hua hub hud huh hui huo hur hus huu i-d ia- iaa iab iad iah iai iao iar ias iau iba ibb ibd ibh ibi ibo ibr ibs ibu ida idb idd idh idi ido idr ids idu iha ihb ihd ihh ihi iho ihr ihs ihu iia iib iid iih iii iio iir iis iiu io- ioa iob iod ioh ioi ioo ior ios iou ir- ira irb ird iri iro irr irs iru is- isa isb isd ish isi iso isr iss isu iu- iua iub iud iui iur ius o-i oaa oab oad oah oai oao oar oas oau ob- oba obb obd obh obi obo obr obs obu oda odb odd odh odi odo odr ods odu oha ohd ohh ohi oho ohr ohs ohu oia oib oid oii oio oir ois oiu oo- ooa oob ood ooh ooi ooo oor oos or- ora orb ord orh ori oro orr ors oru os- osa osb osd osh osi oso osr oss osu ou- oua oud ouh oui ouo our ous ra- raa rab rad rah rai rao rar ras rau rba rbb rbd rbh rbi rbo rbr rbs rbu rda rdb rdd rdh rdi rdo rdr rds rdu rh- rha rhb rhd rhh rhi rho rhr rhs rhu ria rib rid rih rii rio rir ris roa rob rod roh roi roo ror ros rou rra rrb rrd rrh rri rrr rrs rru rsa rsb rsd rsh rsi rso rsr rss rsu rua rub rud ruh rui ruo rur rus ruu saa sab sad sah sai sao sar sas sau sba sbb sbd sbh sbi sbo sbr sbs sbu sda sdb sdd sdh sdi sdo sdr sds sdu sh- sha shb shd shh shi sho shr shs shu sia sib sid sih sii sio sir sis siu soa sob sod soh soi soo sor sos sou sr- sra srb srd srh sri sro srr srs ss- ssa ssb ssd ssh ssi sso ssr sss ssu sua sub sud suh sui suo sur sus suu ua- uaa uab uad uah uai uao uar uas uau uba ubb ubh ubi ubo ubr ubs ubu uda udb udd udi udo udr uds udu uha uhb uhd uhh uhi uho uhr uhs uhu uia uib uid uii uio uir uis uiu uoa uob uod uoo uor uos ur- ura urb urd uri uro urr urs uru usa usb usd ush usi uso usr uss usu uua uur uus uuu