a-a a-b a-i aaa aab aai aam aao aar aas aau aay ab- aba abb abi abm abo abr abs abu aby ai- aia aib aii aim aio air ais aiu aiy ama amb ami amm amo amr ams amu amy aoa aob aoi aom aoo aor aos aou ar- ara arb ari arm aro arr ars aru ary as- asa asb asi asm aso asr ass asu asy au- aua aub aui aum auo aur aus ay- aya ayi ayo ayr ays ayu b-u baa bab bai bam bao bar bas bau bay bba bbb bbi bbm bbo bbr bbs bbu bby bi- bia bib bii bim bio bir bis biu biy bma bmb bmi bmm bmo bmr bms bmu boa bob boi bom boo bor bos bou boy bra brb bri brm bro brr brs bru bry bsa bsb bsi bsm bso bsr bss bsu bsy bua bub bui bum buo bur bus buu buy by- bya byi bym byo byr bys byu ia- iaa iab iai iam iao iar ias iau iba ibb ibi ibm ibo ibr ibs ibu iby iia iib iii iim iio iir iis iiu im- ima imb imi imm imo ims imu imy io- ioa iob ioi iom ioo ior ios iou ir- ira irb iri irm iro irr irs iru iry is- isa isb isi ism iso isr iss isu isy iu- iua iub iui ium iur ius iya iym iyo iyr iys iyy m-o m-r maa mab mai mam mao mar mas mau may mba mbb mbi mbm mbo mbr mbs mbu mi- mia mib mii mim mio mir mis miu miy mma mmb mmi mmm mmo mmr mms mmu moa mob moi mom moo mor mos mou moy mra mrb mri mrm mro mrr mrs mru mry msa msb msi msm mso msr mss msu msy mua mub mui mum mur mus muu muy my- mya myb mym myo myr mys myu o-i oaa oab oai oam oao oar oas oau ob- oba obb obi obm obo obr obs obu oby oia oib oii oim oio oir ois oiu om- oma omb omi omm omo omr oms omu omy oo- ooa oob ooi oom ooo oor oos or- ora orb ori orm oro orr ors oru ory os- osa osb osi osm oso osr oss osu ou- oua oui oum ouo our ous oya oyi oyo oys ra- raa rab rai ram rao rar ras rau ray rba rbb rbi rbm rbo rbr rbs rbu ria rib rii rim rio rir ris riy rma rmb rmi rmm rmo rmr rms roa rob roi rom roo ror ros rou roy rra rrb rri rrm rrr rrs rru rsa rsb rsi rsm rso rsr rss rsu rua rub rui rum ruo rur rus ruu ruy ry- rya rym ryo ryr rys ryu ryy saa sab sai sam sao sar sas sau say sba sbb sbi sbm sbo sbr sbs sbu sby sia sib sii sim sio sir sis siu sma smb smi smm smo smr sms smu smy soa sob soi som soo sor sos sou soy sr- sra srb sri srm sro srr srs sry ss- ssa ssb ssi ssm sso ssr sss ssu sua sub sui sum suo sur sus suu suy sy- sya syb syi sym syr sys syu ua- uaa uab uai uam uao uar uas uau uay uba ubb ubi ubo ubr ubs ubu uby uia uib uii uim uio uir uis uiu um- uma umb umi umm umo umr ums umu uoa uob uom uoo uor uos ur- ura urb uri urm uro urr urs uru ury usa usb usi usm uso usr uss usu uua uum uur uus uuu uyi uyo uys uyu yaa yab yai yam yao yar yas yau yay ybi ybm ybr ybs yby yii yim yio yir yis yma ymi ymm ymo yms yob yoi yom yoo yor yos you yoy yra yro yrs yru ysa ysb ysi ysm yso ysr yss ysu ysy yua yui yum yuo yur yus yuu yuy yyb yys yyu yyy