a-a a-b a-i aaa aab aai aak aan aao aau aav ab- aba abb abi abk abn abo abu abv ai- aia aib aii aik ain aio aiu aiv aka akb aki akk akn ako aku akv an- ana anb ani ank ann ano anu anv aoa aob aoi aok aon aoo aou aov au- aua aub aui auk aun auo auv av- ava avb avi avk avn avo avu b-u baa bab bai bak ban bao bau bav bba bbb bbi bbk bbn bbo bbu bi- bia bib bii bik bin bio biu biv bka bkb bkk bkn bko bkv bna bnb bni bnk bnn bno bnu bnv boa bob boi bok bon boo bou bov bua bub bui buk bun buo buu bva bvb bvi bvk bvn bvo bvu bvv i-v ia- iaa iab iai ian iao iau iav iba ibb ibi ibk ibn ibo ibu ibv iia iib iii iin iio iiu ika ikb iki ikk iko iku ikv in- ina inb ini ink inn ino inu inv io- ioa iob ioi ion ioo iou iov iu- iua iub iui iva ivb ivi ivo ivu ivv ka- kaa kab kai kak kan kao kau kav kba kbb kbi kbk kbn kbo kbu kia kib kii kik kin kio kiu kiv kkb kki kkk kkn kku kkv kn- kna kni knk knn kno knu koa kob koi kok kon koo kou kub kui kuk kun kuu kva kvb kvi kvk kvn kvo kvv n-i naa nab nai nak nan nao nau nav nba nbb nbi nbk nbn nbo nbu nbv nia nib nii nik nin nio niu niv nka nki nkk nkn nko nku nna nnb nni nnk nnn nno nnu nnv no- noa nob noi nok non noo nou nov nua nub nui nuk nun nuo nuu nuv nva nvb nvi nvk nvn nvu nvv o-i oaa oab oai oak oan oao oau oav ob- oba obb obi obk obn obo obu obv oia oib oii oik oin oio oiu oiv oka okb oki okk oko oku on- ona onb oni onk onn ono onu oo- ooa oob ooi ook oon ooo oov ou- oua oui ouk oun ouo ov- ova ovb ovi ovo ovv ua- uaa uab uai uak uan uao uau uav uba ubb ubi ubk ubn ubo ubu ubv uia uib uii uin uio uiu uka ukb uki ukk ukn uku un- una unb uni unk unn uno unu unv uoa uob uok uon uoo uua uun uuu uva uvb uvo uvu uvv v-a vaa vab vai vak van vao vau vav vba vbi vbk vbo vbv vi- via vib vii vik vin vio viu viv vka vkb vn- vna vni vno vnu vnv voa vob voi vok von voo vou vov vuk vuv vva vvb vvi vvo vvv