-er -th b-u bbb bbe bbh bbk bbn bbr bbt bbu be- beb bee beh bek ben ber bet beu bhb bhe bhh bhk bhr bht bhu bkb bke bkk bkn bkr bkt bnb bne bnk bnn bnr bnt bnu brb bre brh brk brn brr brt bru btb bte bth btk btn btr btt btu bub bue buh buk bun bur but buu ebb ebe ebh ebk ebn ebr ebt ebu eeb eee eek een eer eet ehb ehe ehh ehn ehr eht ehu ekb eke ekh ekr ekt eku en- enb ene enh enk enn enr ent enu erb ere erh erk ern err ert eru etb ete eth etk etn etr ett etu eu- eub eue eun eur eut hbb hbe hbh hbk hbn hbr hbt hbu he- heb hee heh hek hen her het heu hhb hhe hhh hhk hhn hhr hht hhu hkb hkh hkk hkn hkr hkt hku hnb hne hnh hnk hnn hnt hnu hr- hrb hre hrh hrk hrn hrr hrt hru htb hte hth htk htn htr htt hub hue huh huk hun hur hut huu k-t kbb kbe kbh kbk kbn kbr kbu ke- keb kee keh kek ken ker ket khe khh khk khn khr khu kkb kke kkh kkk kkn kkr kkt kku kn- kne knk knn knr knt knu krk krn krr krt kru ktb kte kth ktk ktn ktr ktt ktu kub kue kuh kuk kun kur kut kuu nbb nbe nbk nbn nbr nbt nbu ne- neb nee neh nek nen ner net neu nhb nhe nhh nhk nhn nhr nht nhu nke nkk nkn nkr nkt nku nnb nne nnh nnk nnn nnt nnu nrb nre nrk nrn nrr nrt nru ntb nte nth ntk ntn ntr ntt ntu nub nue nuh nuk nun nur nut nuu rbb rbe rbh rbk rbn rbr rbt rbu re- reb ree reh rek ren rer ret reu rh- rhb rhe rhh rhn rhr rht rhu rkb rke rkk rkt rku rnb rnh rnn rnr rnt rnu rrb rrh rrk rrn rrr rrt rru rtb rte rtk rtn rtr rtt rtu rub rue ruh ruk run rur rut ruu tbb tbe tbh tbk tbn tbr tbt tbu te- teb tee teh tek ten ter tet teu th- thb the thh thk thn thr tht thu tkb tke tkk tkr tkt tnb tne tnh tnk tnn tnr tnt trb tre trh trk trn trr trt tru ttb tte tth ttk ttn ttr ttt ttu tub tue tuh tuk tun tur tut tuu ubb ube ubh ubk ubn ubr ubt ubu ueb uee ueh uen uer uet uhb uhe uhh uhr uht uhu ukb uke ukk ukn ukr uku un- unb une unh unk unn unr unt unu ur- urb ure urk urn urr urt uru utb ute uth utk utn utr utt utu uue uun uur uut uuu