a-a a-b a-i a-t aaa aab aai aam aan aao aar aat aau ab- aba abb abi abm abn abo abr abt abu ai- aia aib aii aim ain aio air ait aiu ama amb ami amm amn amo amr amt amu an- ana anb ani anm ann ano anr ant anu aoa aob aoi aom aon aoo aor aot aou ar- ara arb ari arm arn aro arr art aru at- ata atb ati atm atn ato atr att atu au- aua aub aui aum aun auo aur aut b-u baa bab bai bam ban bao bar bat bau bba bbb bbi bbm bbn bbo bbr bbt bbu bi- bia bib bii bim bin bio bir bit biu bma bmb bmi bmm bmn bmo bmr bmt bmu bna bnb bni bnn bno bnr bnt bnu boa bob boi bom bon boo bor bot bou bra brb bri brm brn bro brr brt bru bta btb bti btm btn bto btr btt btu bua bub bui bum bun buo bur but buu ia- iaa iab iai iam ian iao iar iat iau iba ibb ibi ibm ibn ibo ibr ibt ibu iia iib iii iim iin iio iir iit iiu im- ima imb imi imm imn imo imt imu in- ina inb ini inm inn ino inr int inu io- ioa iob ioi iom ion ioo ior iot iou ir- ira irb iri irm irn iro irr irt iru ita itb iti itm itn ito itt itu iu- iua iub iui ium iur iut m-o m-r maa mab mai mam man mao mar mat mau mba mbb mbi mbm mbo mbr mbt mbu mi- mia mib mii mim min mio mir mit miu mma mmb mmi mmm mmn mmo mmr mmt mmu mna mnb mni mnm mnn mno mnr mnt mnu moa mob moi mom mon moo mor mot mou mra mrb mri mrm mrn mro mrr mrt mru mta mtb mti mtm mtn mto mtr mtt mtu mua mub mui mum mun mur mut muu n-i naa nab nai nam nan nao nar nat nau nba nbb nbi nbm nbn nbo nbr nbt nbu nia nib nii nim nin nio nir nit niu nma nmb nmi nmm nmn nmo nmr nmt nmu nna nnb nni nnm nnn nno nnt nnu no- noa nob noi nom non noo nor not nou nra nrb nri nrm nrn nro nrr nrt nru nta ntb nti ntm ntn nto ntr ntt ntu nua nub nui num nun nuo nur nut nuu o-i oaa oab oai oam oan oao oar oat oau ob- oba obb obi obm obn obo obr obt obu oia oib oii oim oin oio oir oit oiu om- oma omb omi omm omn omo omr omt omu on- ona onb oni onn ono onr ont onu oo- ooa oob ooi oom oon ooo oor oot or- ora orb ori orm orn oro orr ort oru ot- ota otb oti otm otn oto otr ott otu ou- oua oui oum oun ouo our out ra- raa rab rai ram ran rao rar rat rau rba rbb rbi rbm rbn rbo rbr rbt rbu ria rib rii rim rin rio rir rit rma rmb rmi rmm rmn rmo rmr rmt rna rnb rni rnm rnn rno rnr rnt rnu roa rob roi rom ron roo ror rot rou rra rrb rri rrm rrn rrr rrt rru rta rtb rti rtm rtn rto rtr rtt rtu rua rub rui rum run ruo rur rut ruu taa tab tai tam tan tao tar tat tau tba tbb tbi tbm tbn tbo tbr tbt tbu tia tib tii tim tin tio tir tit tiu tma tmb tmi tmm tmn tmo tmr tmt tmu tna tnb tni tnm tnn tno tnr tnt to- toa tob toi tom ton too tor tot tou tra trb tri trm trn tro trr trt tru tta ttb tti ttm ttn tto ttr ttt ttu tua tub tui tum tun tuo tur tut tuu ua- uaa uab uai uam uan uao uar uat uau uba ubb ubi ubn ubo ubr ubt ubu uia uib uii uim uin uio uir uit uiu um- uma umb umi umm umn umo umr umt umu un- una unb uni unm unn uno unr unt unu uoa uob uom uon uoo uor uot ur- ura urb uri urm urn uro urr urt uru uta utb uti utm utn uto utr utt utu uua uum uun uur uut uuu