a-a a-b aaa aab aaj aak aan aao aau aav aay ab- aba abb abj abk abn abo abu abv aby aja ajb ajj ajk ajn ajo aju ajy aka akb akj akk akn ako aku akv an- ana anb anj ank ann ano anu anv any aoa aob aoj aok aon aoo aou aov au- aua aub auj auk aun auo auv av- ava avb avk avn avo avu avy ay- aya ayk ayn ayo ayu b-u baa bab baj bak ban bao bau bav bay bba bbb bbk bbn bbo bbu bby bja bjj bjk bjn bju bka bkb bkk bkn bko bkv bna bnb bnj bnk bnn bno bnu bnv boa bob boj bok bon boo bou bov boy bua bub buj buk bun buo buu buy bva bvb bvk bvn bvo bvu bvv by- bya byj byk byn byo byu jaa jab jaj jak jan jao jau jav jay jba jbj jbk jbo jbu jja jjb jjj jjk jju jjy jka jkb jkk jkn jko jku jkv jna jnj jnn jno jnu joa job joj jok jon joo jou joy jub juk jun juo juv juy jvb jvn jyj ka- kaa kab kaj kak kan kao kau kav kay kba kbb kbk kbn kbo kbu kjb kju kkb kkk kkn kku kkv kky kn- kna knk knn kno knu koa kob kok kon koo kou koy kub kuj kuk kun kuu kuy kva kvb kvk kvn kvo kvv kya kyn kyo kyu naa nab naj nak nan nao nau nav nay nba nbb nbk nbn nbo nbu nbv nja njk njn nju nka nkj nkk nkn nko nku nky nna nnb nnk nnn nno nnu nnv no- noa nob noj nok non noo nou nov noy nua nub nuj nuk nun nuo nuu nuv nuy nva nvb nvk nvn nvu nvv nya nyk nyn nyo nyu nyy oaa oab oaj oak oan oao oau oav ob- oba obb obj obk obn obo obu obv oby oja ojb ojo oju ojy oka okb okj okk oko oku on- ona onb onj onk onn ono onu ony oo- ooa oob ook oon ooo oov ou- oua ouk oun ouo ov- ova ovb ovo ovv oya oyo ua- uaa uab uaj uak uan uao uau uav uay uba ubb ubk ubn ubo ubu ubv uby ujo uka ukb ukk ukn uku un- una unb unk unn uno unu unv uny uoa uob uoj uok uon uoo uua uun uuu uva uvb uvo uvu uvv uyo uyu v-a vaa vab vaj vak van vao vau vav vay vba vbk vbo vbv vja vka vkb vn- vna vnj vno vnu vnv voa vob vok von voo vou vov voy vuk vuv vva vvb vvo vvv vyn yaa yab yak yan yao yau yav yay yby yjv yka ykk ykn yna ynk ynn ynu yny yob yoj yok yon yoo you yoy yua yuj yuk yun yuo yuu yuv yuy yva yvo yvy yyb yyu yyy