b-u bbb bbi bbm bbn bbo bbs bbt bbu bbx bi- bib bii bim bin bio bis bit biu bix bmb bmi bmm bmn bmo bms bmt bmu bmx bnb bni bnn bno bns bnt bnu bnx bob boi bom bon boo bos bot bou box bsb bsi bsm bsn bso bss bst bsu bsx btb bti btm btn bto bts btt btu btx bub bui bum bun buo bus but buu bux bxb bxi bxm bxn bxo bxx ibb ibi ibm ibn ibo ibs ibt ibu ibx iib iii iim iin iio iis iit iiu iix im- imb imi imm imn imo ims imt imu imx in- inb ini inm inn ino ins int inu inx io- iob ioi iom ion ioo ios iot iou is- isb isi ism isn iso iss ist isu itb iti itm itn ito its itt itu itx iu- iub iui ium ius iut ixi ixn m-o mbb mbi mbm mbo mbs mbt mbu mbx mi- mib mii mim min mio mis mit miu mix mmb mmi mmm mmn mmo mms mmt mmu mmx mnb mni mnm mnn mno mns mnt mnu mob moi mom mon moo mos mot mou mox msb msi msm msn mso mss mst msu msx mtb mti mtm mtn mto mts mtt mtu mtx mub mui mum mun mus mut muu mux mxi mxn mxs mxu n-i nbb nbi nbm nbn nbo nbs nbt nbu nbx nib nii nim nin nio nis nit niu nix nmb nmi nmm nmn nmo nms nmt nmu nnb nni nnm nnn nno nns nnt nnu no- nob noi nom non noo nos not nou nox nsb nsi nsm nsn nso nss nst nsu nsx ntb nti ntm ntn nto nts ntt ntu ntx nub nui num nun nuo nus nut nuu nux nxt o-i ob- obb obi obm obn obo obs obt obu obx oib oii oim oin oio ois oit oiu om- omb omi omm omn omo oms omt omu omx on- onb oni onn ono ons ont onu onx oo- oob ooi oom oon ooo oos oot oox os- osb osi osm osn oso oss ost osu osx ot- otb oti otm otn oto ots ott otu ou- oui oum oun ouo ous out ox- oxb oxi oxn oxo oxt oxx sbb sbi sbm sbn sbo sbs sbt sbu sbx sib sii sim sin sio sis sit siu six smb smi smm smn smo sms smt smu smx snb sni snm snn sno sns snt snu sob soi som son soo sos sot sou sox ss- ssb ssi ssm ssn sso sss sst ssu ssx stb sti stm stn sto sts stt stu stx sub sui sum sun suo sus sut suu sux sxi sxm sxn sxs sxt sxu t-x tbb tbi tbm tbn tbo tbs tbt tbu tib tii tim tin tio tis tit tiu tix tmb tmi tmm tmn tmo tms tmt tmu tmx tnb tni tnm tnn tno tns tnt tnx to- tob toi tom ton too tos tot tou tox tsb tsi tsm tsn tso tss tst tsu tsx ttb tti ttm ttn tto tts ttt ttu ttx tub tui tum tun tuo tus tut tuu tux txi txn txs txt txu ubb ubi ubn ubo ubs ubt ubu ubx uib uii uim uin uio uis uit uiu um- umb umi umm umn umo ums umt umu un- unb uni unm unn uno uns unt unu unx uob uom uon uoo uos uot uox usb usi usm usn uso uss ust usu usx utb uti utm utn uto uts utt utu utx uum uun uus uut uuu uxb uxo uxt uxu xbx xii xin xio xis xit xiu xix xmi xmm xmo xms xmt xmu xmx xno xns xnu xoi xom xon xoo xos xot xox xsb xsi xsm xss xst xti xtm xts xtx xui xun xus xxi xxo xxx