a-a a-b aaa aab aag aam aan aao aas aau ab- aba abb abg abm abn abo abs abu ag- aga agb agg agm agn ago ags agu ama amb amg amm amn amo ams amu an- ana anb ang anm ann ano ans anu aoa aob aog aom aon aoo aos aou as- asa asb asg asm asn aso ass asu au- aua aub aug aum aun auo aus b-u baa bab bag bam ban bao bas bau bba bbb bbg bbm bbn bbo bbs bbu bga bgb bgg bgm bgn bgo bgs bgu bma bmb bmg bmm bmn bmo bms bmu bna bnb bng bnn bno bns bnu boa bob bog bom bon boo bos bou bsa bsb bsg bsm bsn bso bss bsu bua bub bug bum bun buo bus buu gaa gab gag gam gan gao gas gau gba gbg gbm gbn gbo gbs gbu gga ggb ggg ggm ggn ggo ggs ggu gma gmb gmg gmm gmn gmo gms gna gnb gnm gnn gno gns gnu goa gob gog gom gon goo gos gou gsa gsb gsg gsm gsn gso gss gsu gu- gua gub gug gum gun guo gus guu m-o maa mab mag mam man mao mas mau mba mbb mbg mbm mbo mbs mbu mga mgb mgm mgn mgo mgs mgu mma mmb mmg mmm mmn mmo mms mmu mna mnb mng mnm mnn mno mns mnu moa mob mog mom mon moo mos mou msa msb msg msm msn mso mss msu mua mub mug mum mun mus muu naa nab nag nam nan nao nas nau nba nbb nbg nbm nbn nbo nbs nbu nga ngb ngg ngm ngn ngo ngs ngu nma nmb nmg nmm nmn nmo nms nmu nna nnb nng nnm nnn nno nns nnu no- noa nob nog nom non noo nos nou nsa nsb nsg nsm nsn nso nss nsu nua nub nug num nun nuo nus nuu oaa oab oag oam oan oao oas oau ob- oba obb obg obm obn obo obs obu oga ogg ogn ogo ogs om- oma omb omg omm omn omo oms omu on- ona onb ong onn ono ons onu oo- ooa oob oog oom oon ooo oos os- osa osb osg osm osn oso oss osu ou- oua oum oun ouo ous saa sab sag sam san sao sas sau sba sbb sbg sbm sbn sbo sbs sbu sga sgb sgg sgm sgn sgo sgs sgu sma smb smg smm smn smo sms smu sna snb sng snm snn sno sns snu soa sob sog som son soo sos sou ss- ssa ssb ssg ssm ssn sso sss ssu sua sub sug sum sun suo sus suu ua- uaa uab uag uam uan uao uas uau uba ubb ubg ubn ubo ubs ubu uga ugb ugg ugm ugn ugo ugs ugu um- uma umb umg umm umn umo ums umu un- una unb ung unm unn uno uns unu uoa uob uog uom uon uoo uos usa usb usg usm usn uso uss usu uua uug uum uun uus uuu