a-a a-b a-i a-t aaa aab aai aam aan aao aar aas aat aau ab- aba abb abi abm abn abo abr abs abt abu ai- aia aib aii aim ain aio air ais ait aiu ama amb ami amm amn amo amr ams amt amu an- ana anb ani anm ann ano anr ans ant anu aoa aob aoi aom aon aoo aor aos aot aou ar- ara arb ari arm arn aro arr ars art aru as- asa asb asi asm asn aso asr ass ast asu at- ata atb ati atm atn ato atr ats att atu au- aua aub aui aum aun auo aur aus aut b-u baa bab bai bam ban bao bar bas bat bau bba bbb bbi bbm bbn bbo bbr bbs bbt bbu bi- bia bib bii bim bin bio bir bis bit biu bma bmb bmi bmm bmn bmo bmr bms bmt bmu bna bnb bni bnn bno bnr bns bnt bnu boa bob boi bom bon boo bor bos bot bou bra brb bri brm brn bro brr brs brt bru bsa bsb bsi bsm bsn bso bsr bss bst bsu bta btb bti btm btn bto btr bts btt btu bua bub bui bum bun buo bur bus but buu ia- iaa iab iai iam ian iao iar ias iat iau iba ibb ibi ibm ibn ibo ibr ibs ibt ibu iia iib iii iim iin iio iir iis iit iiu im- ima imb imi imm imn imo ims imt imu in- ina inb ini inm inn ino inr ins int inu io- ioa iob ioi iom ion ioo ior ios iot iou ir- ira irb iri irm irn iro irr irs irt iru is- isa isb isi ism isn iso isr iss ist isu ita itb iti itm itn ito its itt itu iu- iua iub iui ium iur ius iut m-o m-r maa mab mai mam man mao mar mas mat mau mba mbb mbi mbm mbo mbr mbs mbt mbu mi- mia mib mii mim min mio mir mis mit miu mma mmb mmi mmm mmn mmo mmr mms mmt mmu mna mnb mni mnm mnn mno mnr mns mnt mnu moa mob moi mom mon moo mor mos mot mou mra mrb mri mrm mrn mro mrr mrs mrt mru msa msb msi msm msn mso msr mss mst msu mta mtb mti mtm mtn mto mtr mts mtt mtu mua mub mui mum mun mur mus mut muu n-i naa nab nai nam nan nao nar nas nat nau nba nbb nbi nbm nbn nbo nbr nbs nbt nbu nia nib nii nim nin nio nir nis nit niu nma nmb nmi nmm nmn nmo nmr nms nmt nmu nna nnb nni nnm nnn nno nns nnt nnu no- noa nob noi nom non noo nor nos not nou nra nrb nri nrm nrn nro nrr nrs nrt nru nsa nsb nsi nsm nsn nso nsr nss nst nsu nta ntb nti ntm ntn nto ntr nts ntt ntu nua nub nui num nun nuo nur nus nut nuu o-i oaa oab oai oam oan oao oar oas oat oau ob- oba obb obi obm obn obo obr obs obt obu oia oib oii oim oin oio oir ois oit oiu om- oma omb omi omm omn omo omr oms omt omu on- ona onb oni onn ono onr ons ont onu oo- ooa oob ooi oom oon ooo oor oos oot or- ora orb ori orm orn oro orr ors ort oru os- osa osb osi osm osn oso osr oss ost osu ot- ota otb oti otm otn oto otr ots ott otu ou- oua oui oum oun ouo our ous out ra- raa rab rai ram ran rao rar ras rat rau rba rbb rbi rbm rbn rbo rbr rbs rbt rbu ria rib rii rim rin rio rir ris rit rma rmb rmi rmm rmn rmo rmr rms rmt rna rnb rni rnm rnn rno rnr rns rnt rnu roa rob roi rom ron roo ror ros rot rou rra rrb rri rrm rrn rrr rrs rrt rru rsa rsb rsi rsm rsn rso rsr rss rst rsu rta rtb rti rtm rtn rto rtr rts rtt rtu rua rub rui rum run ruo rur rus rut ruu saa sab sai sam san sao sar sas sat sau sba sbb sbi sbm sbn sbo sbr sbs sbt sbu sia sib sii sim sin sio sir sis sit siu sma smb smi smm smn smo smr sms smt smu sna snb sni snm snn sno snr sns snt snu soa sob soi som son soo sor sos sot sou sr- sra srb sri srm srn sro srr srs srt ss- ssa ssb ssi ssm ssn sso ssr sss sst ssu sta stb sti stm stn sto str sts stt stu sua sub sui sum sun suo sur sus sut suu taa tab tai tam tan tao tar tas tat tau tba tbb tbi tbm tbn tbo tbr tbs tbt tbu tia tib tii tim tin tio tir tis tit tiu tma tmb tmi tmm tmn tmo tmr tms tmt tmu tna tnb tni tnm tnn tno tnr tns tnt to- toa tob toi tom ton too tor tos tot tou tra trb tri trm trn tro trr trs trt tru tsa tsb tsi tsm tsn tso tsr tss tst tsu tta ttb tti ttm ttn tto ttr tts ttt ttu tua tub tui tum tun tuo tur tus tut tuu ua- uaa uab uai uam uan uao uar uas uat uau uba ubb ubi ubn ubo ubr ubs ubt ubu uia uib uii uim uin uio uir uis uit uiu um- uma umb umi umm umn umo umr ums umt umu un- una unb uni unm unn uno unr uns unt unu uoa uob uom uon uoo uor uos uot ur- ura urb uri urm urn uro urr urs urt uru usa usb usi usm usn uso usr uss ust usu