a-a a-b aaa aab aag aak aan aao aas aau ab- aba abb abg abk abn abo abs abu ag- aga agb agg agk agn ago ags agu aka akb akg akk akn ako aks aku an- ana anb ang ank ann ano ans anu aoa aob aog aok aon aoo aos aou as- asa asb asg ask asn aso ass asu au- aua aub aug auk aun auo aus b-u baa bab bag bak ban bao bas bau bba bbb bbg bbk bbn bbo bbs bbu bga bgb bgg bgk bgn bgo bgs bgu bka bkb bkg bkk bkn bko bks bna bnb bng bnk bnn bno bns bnu boa bob bog bok bon boo bos bou bsa bsb bsg bsk bsn bso bss bsu bua bub bug buk bun buo bus buu gaa gab gag gak gan gao gas gau gba gbg gbk gbn gbo gbs gbu gga ggb ggg ggn ggo ggs ggu gka gkb gkn gko gks gna gnb gnn gno gns gnu goa gob gog gok gon goo gos gou gsa gsb gsg gsk gsn gso gss gsu gu- gua gub gug guk gun guo gus guu ka- kaa kab kag kak kan kao kas kau kba kbb kbk kbn kbo kbs kbu kga kgb kgo kgs kgu kkb kkk kkn kks kku kn- kna kng knk knn kno knu koa kob kog kok kon koo kos kou ksa ksb ksg ksk ksn kso kss ksu kub kug kuk kun kus kuu naa nab nag nak nan nao nas nau nba nbb nbg nbk nbn nbo nbs nbu nga ngb ngg ngk ngn ngo ngs ngu nka nkk nkn nko nks nku nna nnb nng nnk nnn nno nns nnu no- noa nob nog nok non noo nos nou nsa nsb nsg nsk nsn nso nss nsu nua nub nug nuk nun nuo nus nuu oaa oab oag oak oan oao oas oau ob- oba obb obg obk obn obo obs obu oga ogg ogn ogo ogs oka okb okg okk oko oks oku on- ona onb ong onk onn ono ons onu oo- ooa oob oog ook oon ooo oos os- osa osb osg osk osn oso oss osu ou- oua ouk oun ouo ous saa sab sag sak san sao sas sau sba sbb sbg sbk sbn sbo sbs sbu sga sgb sgg sgk sgn sgo sgs sgu sk- ska skb skg skk sko sks sku sna snb sng snk snn sno sns snu soa sob sog sok son soo sos sou ss- ssa ssb ssg ssk ssn sso sss ssu sua sub sug suk sun suo sus suu ua- uaa uab uag uak uan uao uas uau uba ubb ubg ubk ubn ubo ubs ubu uga ugb ugg ugk ugn ugo ugs ugu uka ukb ukk ukn uku un- una unb ung unk unn uno uns unu uoa uob uog uok uon uoo uos usa usb usg usk usn uso uss usu uua uug uun uus uuu