-er a-a a-b a-t aaa aab aae aak aam aan aar aat aau ab- aba abb abe abk abm abn abr abt abu aea aeb aee aek aem aen aer aet aeu aka akb ake akk akm akn akr aku ama amb ame amk amm amn amr amt amu an- ana anb ane ank anm ann anr ant anu ar- ara arb are ark arm arn arr art aru at- ata atb ate atm atn atr att atu au- aua aub aue auk aum aun aur aut b-u baa bab bae bak bam ban bar bat bau bba bbb bbe bbk bbm bbn bbr bbt bbu be- bea beb bee bek bem ben ber bet beu bka bkb bke bkk bkm bkn bkr bkt bma bmb bme bmk bmm bmn bmr bmt bmu bna bnb bne bnk bnn bnr bnt bnu bra brb bre brk brm brn brr brt bru bta btb bte btk btm btn btr btt btu bua bub bue buk bum bun bur but buu eaa eab eae eak eam ean ear eat eau eba ebb ebe ebk ebm ebn ebr ebt ebu eea eeb eee eek eem een eer eet eka ekb eke ekr ekt eku em- ema emb eme emk emm emn emr emt emu en- ena enb ene enk enm enn enr ent enu era erb ere erk erm ern err ert eru eta etb ete etk etm etn etr ett etu eu- eua eub eue eun eur eut k-t ka- kaa kab kae kak kam kan kar kat kau kba kbb kbe kbk kbm kbn kbr kbu ke- kea keb kee kek kem ken ker ket kkb kke kkk kkm kkn kkr kkt kku kma kmb kme kmk kmm kmt kmu kn- kna kne knk knm knn knr knt knu kra krk krn krr krt kru kta ktb kte ktk ktm ktn ktr ktt ktu kub kue kuk kum kun kur kut kuu m-r maa mab mae mak mam man mar mat mau mba mbb mbe mbk mbm mbr mbt mbu mea meb mee mek mem men mer met meu mka mkb mke mkk mkm mkn mkr mkt mku mma mmb mme mmk mmm mmn mmr mmt mmu mna mnb mne mnk mnm mnn mnr mnt mnu mra mrb mre mrk mrm mrn mrr mrt mru mta mtb mte mtk mtm mtn mtr mtt mtu mua mub mue muk mum mun mur mut muu naa nab nae nak nam nan nar nat nau nba nbb nbe nbk nbm nbn nbr nbt nbu ne- nea neb nee nek nem nen ner net neu nka nke nkk nkm nkn nkr nkt nku nma nmb nme nmk nmm nmn nmr nmt nmu nna nnb nne nnk nnm nnn nnt nnu nra nrb nre nrk nrm nrn nrr nrt nru nta ntb nte ntk ntm ntn ntr ntt ntu nua nub nue nuk num nun nur nut nuu ra- raa rab rae rak ram ran rar rat rau rba rbb rbe rbk rbm rbn rbr rbt rbu re- rea reb ree rek rem ren rer ret reu rkb rke rkk rkm rkt rku rma rmb rme rmm rmn rmr rmt rna rnb rnm rnn rnr rnt rnu rra rrb rrk rrm rrn rrr rrt rru rta rtb rte rtk rtm rtn rtr rtt rtu rua rub rue ruk rum run rur rut ruu taa tab tae tak tam tan tar tat tau tba tbb tbe tbk tbm tbn tbr tbt tbu te- tea teb tee tek tem ten ter tet teu tka tkb tke tkk tkm tkr tkt tma tmb tme tmk tmm tmn tmr tmt tmu tna tnb tne tnk tnm tnn tnr tnt tra trb tre trk trm trn trr trt tru tta ttb tte ttk ttm ttn ttr ttt ttu tua tub tue tuk tum tun tur tut tuu ua- uaa uab uae uak uam uan uar uat uau uba ubb ube ubk ubn ubr ubt ubu uea ueb uee uem uen uer uet uka ukb uke ukk ukn ukr uku um- uma umb ume umm umn umr umt umu un- una unb une unk unm unn unr unt unu ur- ura urb ure urk urm urn urr urt uru uta utb ute utk utm utn utr utt utu uua uue uum uun uur uut uuu