a-a a-b a-i a-q a-t aaa aab aai aan aao aaq aat aau ab- aba abb abi abn abo abq abt abu ai- aia aib aii ain aio aiq ait aiu an- ana anb ani ann ano anq ant anu aoa aob aoi aon aoo aot aou aqa aqi aqn aqo aqt at- ata atb ati atn ato att atu au- aua aub aui aun auo aut b-u baa bab bai ban bao baq bat bau bba bbb bbi bbn bbo bbq bbt bbu bi- bia bib bii bin bio bit biu bna bnb bni bnn bno bnt bnu boa bob boi bon boo boq bot bou bqt bta btb bti btn bto btq btt btu bua bub bui bun buo but buu ia- iaa iab iai ian iao iaq iat iau iba ibb ibi ibn ibo ibt ibu iia iib iii iin iio iit iiu in- ina inb ini inn ino inq int inu io- ioa iob ioi ion ioo iot iou iqa iqt iqu ita itb iti itn ito itq itt itu iu- iua iub iui iut n-i naa nab nai nan nao nat nau nba nbb nbi nbn nbo nbt nbu nia nib nii nin nio niq nit niu nna nnb nni nnn nno nnt nnu no- noa nob noi non noo not nou nqt nta ntb nti ntn nto ntq ntt ntu nua nub nui nun nuo nuq nut nuu o-i oaa oab oai oan oao oaq oat oau ob- oba obb obi obn obo obt obu oia oib oii oin oio oit oiu on- ona onb oni onn ono ont onu oo- ooa oob ooi oon ooo oot oqb oqo ot- ota otb oti otn oto ott otu ou- oua oui oun ouo out qaa qan qat qau qba qbq qin qio qit qiu qnb qni qoi qoo qqq qqu qta qti qto qtq qu- qua qui quo qut taa tab tai tan tao taq tat tau tba tbb tbi tbn tbo tbt tbu tia tib tii tin tio tit tiu tna tnb tni tnn tno tnq tnt to- toa tob toi ton too toq tot tou tqo tta ttb tti ttn tto ttt ttu tua tub tui tun tuo tut tuu ua- uaa uab uai uan uao uaq uat uau uba ubb ubi ubn ubo ubt ubu uia uib uii uin uio uiq uit uiu un- una unb uni unn uno unq unt unu uoa uob uon uoo uot uta utb uti utn uto utt utu uua uun uut uuu