a-a a-b a-i a-q a-t aaa aab aai aan aaq aar aas aat aau ab- aba abb abi abn abq abr abs abt abu ai- aia aib aii ain aiq air ais ait aiu an- ana anb ani ann anq anr ans ant anu aqa aqi aqn aqr aqs aqt ar- ara arb ari arn arq arr ars art aru as- asa asb asi asn asq asr ass ast asu at- ata atb ati atn atr ats att atu au- aua aub aui aun aur aus aut b-u baa bab bai ban baq bar bas bat bau bba bbb bbi bbn bbq bbr bbs bbt bbu bi- bia bib bii bin bir bis bit biu bna bnb bni bnn bnr bns bnt bnu bqt bra brb bri brn brq brr brs brt bru bsa bsb bsi bsn bsr bss bst bsu bta btb bti btn btq btr bts btt btu bua bub bui bun bur bus but buu ia- iaa iab iai ian iaq iar ias iat iau iba ibb ibi ibn ibr ibs ibt ibu iia iib iii iin iir iis iit iiu in- ina inb ini inn inq inr ins int inu iqa iqs iqt iqu ir- ira irb iri irn irq irr irs irt iru is- isa isb isi isn isq isr iss ist isu ita itb iti itn itq its itt itu iu- iua iub iui iur ius iut n-i naa nab nai nan nar nas nat nau nba nbb nbi nbn nbr nbs nbt nbu nia nib nii nin niq nir nis nit niu nna nnb nni nnn nns nnt nnu nqs nqt nra nrb nri nrn nrr nrs nrt nru nsa nsb nsi nsn nsr nss nst nsu nta ntb nti ntn ntq ntr nts ntt ntu nua nub nui nun nuq nur nus nut nuu qaa qan qar qas qat qau qba qbq qbs qin qir qis qit qiu qnb qni qns qqq qqu qra qrb qri qrs qrt qru qsa qsi qsr qst qta qti qtq qtr qts qu- qua qui qur qus qut ra- raa rab rai ran raq rar ras rat rau rba rbb rbi rbn rbr rbs rbt rbu ria rib rii rin riq rir ris rit rna rnb rni rnn rnr rns rnt rnu rqn rqs rra rrb rri rrn rrq rrr rrs rrt rru rsa rsb rsi rsn rsq rsr rss rst rsu rta rtb rti rtn rtq rtr rts rtt rtu rua rub rui run rur rus rut ruu saa sab sai san saq sar sas sat sau sba sbb sbi sbn sbq sbr sbs sbt sbu sia sib sii sin siq sir sis sit siu sna snb sni snn snr sns snt snu sqa sqi sqn sqq sqr sqs sr- sra srb sri srn srq srr srs srt ss- ssa ssb ssi ssn ssq ssr sss sst ssu sta stb sti stn stq str sts stt stu sua sub sui sun suq sur sus sut suu taa tab tai tan taq tar tas tat tau tba tbb tbi tbn tbr tbs tbt tbu tia tib tii tin tir tis tit tiu tna tnb tni tnn tnq tnr tns tnt tra trb tri trn trq trr trs trt tru tsa tsb tsi tsn tsq tsr tss tst tsu tta ttb tti ttn ttr tts ttt ttu tua tub tui tun tur tus tut tuu ua- uaa uab uai uan uaq uar uas uat uau uba ubb ubi ubn ubr ubs ubt ubu uia uib uii uin uiq uir uis uit uiu un- una unb uni unn unq unr uns unt unu ur- ura urb uri urn urr urs urt uru usa usb usi usn usr uss ust usu uta utb uti utn utr uts utt utu uua uun uur uus uut uuu