a-a a-b aaa aab aae aah aak aan aao aau ab- aba abb abe abh abk abn abo abu aea aeb aee aeh aek aen aeo aeu aha ahb ahe ahh ahk ahn aho ahu aka akb ake akh akk akn ako aku an- ana anb ane anh ank ann ano anu aoa aob aoe aoh aok aon aoo aou au- aua aub aue auh auk aun auo b-u baa bab bae bah bak ban bao bau bba bbb bbe bbh bbk bbn bbo bbu be- bea beb bee beh bek ben beo beu bha bhb bhe bhh bhk bho bhu bka bkb bke bkk bkn bko bna bnb bne bnk bnn bno bnu boa bob boe boh bok bon boo bou bua bub bue buh buk bun buo buu eaa eab eae eah eak ean eao eau eba ebb ebe ebh ebk ebn ebo ebu eea eeb eee eek een eeo eha ehb ehe ehh ehn eho ehu eka ekb eke ekh eko eku en- ena enb ene enh enk enn eno enu eo- eoa eob eoe eoh eok eon eoo eou eu- eua eub eue eun haa hab hae hah hak han hao hau hba hbb hbe hbh hbk hbn hbo hbu he- hea heb hee heh hek hen heo heu hha hhb hhe hhh hhk hhn hho hhu hka hkb hkh hkk hkn hko hku hna hnb hne hnh hnk hnn hno hnu hoa hob hoe hoh hok hon hoo hou hua hub hue huh huk hun huo huu ka- kaa kab kae kah kak kan kao kau kba kbb kbe kbh kbk kbn kbo kbu ke- kea keb kee keh kek ken keo kha khe khh khk khn kho khu kkb kke kkh kkk kkn kku kn- kna kne knk knn kno knu koa kob koe koh kok kon koo kou kub kue kuh kuk kun kuu naa nab nae nah nak nan nao nau nba nbb nbe nbk nbn nbo nbu ne- nea neb nee neh nek nen neo neu nha nhb nhe nhh nhk nhn nhu nka nke nkk nkn nko nku nna nnb nne nnh nnk nnn nno nnu no- noa nob noe noh nok non noo nou nua nub nue nuh nuk nun nuo nuu oaa oab oae oah oak oan oao oau ob- oba obb obe obh obk obn obo obu oea oeb oee oeh oen oeo oha ohe ohh ohn oho ohu oka okb oke okk oko oku on- ona onb one onh onk onn ono onu oo- ooa oob ooh ook oon ooo ou- oua oue ouh ouk oun ouo ua- uaa uab uae uah uak uan uao uau uba ubb ube ubh ubk ubn ubo ubu uea ueb uee ueh uen uha uhb uhe uhh uho uhu uka ukb uke ukk ukn uku un- una unb une unh unk unn uno unu uoa uob uoe uok uon uoo uua uue uun uuu