a-a a-b a-i a-q a-t aaa aab aai aan aao aaq aas aat aau ab- aba abb abi abn abo abq abs abt abu ai- aia aib aii ain aio aiq ais ait aiu an- ana anb ani ann ano anq ans ant anu aoa aob aoi aon aoo aos aot aou aqa aqi aqn aqo aqs aqt as- asa asb asi asn aso asq ass ast asu at- ata atb ati atn ato ats att atu au- aua aub aui aun auo aus aut b-u baa bab bai ban bao baq bas bat bau bba bbb bbi bbn bbo bbq bbs bbt bbu bi- bia bib bii bin bio bis bit biu bna bnb bni bnn bno bns bnt bnu boa bob boi bon boo boq bos bot bou bqt bsa bsb bsi bsn bso bss bst bsu bta btb bti btn bto btq bts btt btu bua bub bui bun buo bus but buu ia- iaa iab iai ian iao iaq ias iat iau iba ibb ibi ibn ibo ibs ibt ibu iia iib iii iin iio iis iit iiu in- ina inb ini inn ino inq ins int inu io- ioa iob ioi ion ioo ios iot iou iqa iqs iqt iqu is- isa isb isi isn iso isq iss ist isu ita itb iti itn ito itq its itt itu iu- iua iub iui ius iut n-i naa nab nai nan nao nas nat nau nba nbb nbi nbn nbo nbs nbt nbu nia nib nii nin nio niq nis nit niu nna nnb nni nnn nno nns nnt nnu no- noa nob noi non noo nos not nou nqs nqt nsa nsb nsi nsn nso nss nst nsu nta ntb nti ntn nto ntq nts ntt ntu nua nub nui nun nuo nuq nus nut nuu o-i oaa oab oai oan oao oaq oas oat oau ob- oba obb obi obn obo obs obt obu oia oib oii oin oio ois oit oiu on- ona onb oni onn ono ons ont onu oo- ooa oob ooi oon ooo oos oot oqb oqo os- osa osb osi osn oso osq oss ost osu ot- ota otb oti otn oto ots ott otu ou- oua oui oun ouo ous out qaa qan qas qat qau qba qbq qbs qin qio qis qit qiu qnb qni qns qoi qoo qos qqq qqu qsa qsi qso qst qta qti qto qtq qts qu- qua qui quo qus qut saa sab sai san sao saq sas sat sau sba sbb sbi sbn sbo sbq sbs sbt sbu sia sib sii sin sio siq sis sit siu sna snb sni snn sno sns snt snu soa sob soi son soo soq sos sot sou sqa sqi sqn sqq sqs ss- ssa ssb ssi ssn sso ssq sss sst ssu sta stb sti stn sto stq sts stt stu sua sub sui sun suo suq sus sut suu taa tab tai tan tao taq tas tat tau tba tbb tbi tbn tbo tbs tbt tbu tia tib tii tin tio tis tit tiu tna tnb tni tnn tno tnq tns tnt to- toa tob toi ton too toq tos tot tou tqo tsa tsb tsi tsn tso tsq tss tst tsu tta ttb tti ttn tto tts ttt ttu tua tub tui tun tuo tus tut tuu ua- uaa uab uai uan uao uaq uas uat uau uba ubb ubi ubn ubo ubs ubt ubu uia uib uii uin uio uiq uis uit uiu un- una unb uni unn uno unq uns unt unu uoa uob uon uoo uos uot usa usb usi usn uso uss ust usu uta utb uti utn uto uts utt utu uua uun uus uut uuu