b-u bbb bbi bbm bbn bbr bbs bbt bbu bi- bib bii bim bin bir bis bit biu bmb bmi bmm bmn bmr bms bmt bmu bnb bni bnn bnr bns bnt bnu brb bri brm brn brr brs brt bru bsb bsi bsm bsn bsr bss bst bsu btb bti btm btn btr bts btt btu bub bui bum bun bur bus but buu ibb ibi ibm ibn ibr ibs ibt ibu iib iii iim iin iir iis iit iiu im- imb imi imm imn ims imt imu in- inb ini inm inn inr ins int inu ir- irb iri irm irn irr irs irt iru is- isb isi ism isn isr iss ist isu itb iti itm itn its itt itu iu- iub iui ium iur ius iut m-r mbb mbi mbm mbr mbs mbt mbu mi- mib mii mim min mir mis mit miu mmb mmi mmm mmn mmr mms mmt mmu mnb mni mnm mnn mnr mns mnt mnu mrb mri mrm mrn mrr mrs mrt mru msb msi msm msn msr mss mst msu mtb mti mtm mtn mtr mts mtt mtu mub mui mum mun mur mus mut muu n-i nbb nbi nbm nbn nbr nbs nbt nbu nib nii nim nin nir nis nit niu nmb nmi nmm nmn nmr nms nmt nmu nnb nni nnm nnn nns nnt nnu nrb nri nrm nrn nrr nrs nrt nru nsb nsi nsm nsn nsr nss nst nsu ntb nti ntm ntn ntr nts ntt ntu nub nui num nun nur nus nut nuu rbb rbi rbm rbn rbr rbs rbt rbu rib rii rim rin rir ris rit rmb rmi rmm rmn rmr rms rmt rnb rni rnm rnn rnr rns rnt rnu rrb rri rrm rrn rrr rrs rrt rru rsb rsi rsm rsn rsr rss rst rsu rtb rti rtm rtn rtr rts rtt rtu rub rui rum run rur rus rut ruu sbb sbi sbm sbn sbr sbs sbt sbu sib sii sim sin sir sis sit siu smb smi smm smn smr sms smt smu snb sni snm snn snr sns snt snu sr- srb sri srm srn srr srs srt ss- ssb ssi ssm ssn ssr sss sst ssu stb sti stm stn str sts stt stu sub sui sum sun sur sus sut suu tbb tbi tbm tbn tbr tbs tbt tbu tib tii tim tin tir tis tit tiu tmb tmi tmm tmn tmr tms tmt tmu tnb tni tnm tnn tnr tns tnt trb tri trm trn trr trs trt tru tsb tsi tsm tsn tsr tss tst tsu ttb tti ttm ttn ttr tts ttt ttu tub tui tum tun tur tus tut tuu ubb ubi ubn ubr ubs ubt ubu uib uii uim uin uir uis uit uiu um- umb umi umm umn umr ums umt umu un- unb uni unm unn unr uns unt unu ur- urb uri urm urn urr urs urt uru usb usi usm usn usr uss ust usu utb uti utm utn utr uts utt utu uum uun uur uus uut uuu

-ism bbbb bbbs bbin bibb bibi bibs biin biis bims bin- bini binn bins bint binu birb biri birn birr birs birt biru bis- biss bist bisu bits bitt bitu bmir bmmi bmts bmus bnib bnim bnin bnrr bnss bntm brim brin bris brit brns brrm brrr brrs brsb brsr brst brum brun brus brut bsim bsin bsms bsmt bsns bsrm bssm bsts btrt btss bttb btus bubb bubi bubs bubu buin buir buis buit buiu bum- bumb bums bunb buni bunn buns bunt bunu bur- burb buri burm burn burr burs burt buru busi buss bust busu but- buti buts butt buus ibbm ibim ibis ibms ibns ibri ibsn ibss ibtb ibts ibus iiii iiis iiit iinm iirs iisi iism iisr iist iisu iitm iitr iitt iium imbi imin imir imit immi imms immt imri imrr imsi imsr imss imst imsu imts imun imus inis init inni innr inns innu inri inrs inss inst insu inti intn intr ints intu inui inun inus irbm iri- irin iris irms irri irrs irti irts irun irus isbn isbt isim isin isis isit ismi isms isnt isri issi issr isss issu isti istr ists isum isus itbs itim itin itis itms itri itrs itsi itsu itum itur iuiu iums iuss iust mbbs mbim mbis mbms mbrs mbus mibs miii miin miis miit mim- mimi mims mini minn mins mint minu miri mirr mirs mirt miru mis- misi misn misr miss mist misu mit- mitb miti mitm mits mitt mitu miui mmii mmis mmmm mmms mmst mmsu mmts mmun mmus mnbb mnin mnis mntb mntn mrbb mrbm mrbs mris mrsi mrtm mrtn mrts mrtt msmb msmm msms msmu msrb msrt mssi mssm mssr msst mstr msts msun msus mtbs mtns mtnt mtrr mtss mtst mttr mtts mubi mubs muin muir muis muit mumm mums mumu muni munn muns munt munu muri murn murr murs murt muru musi muss must musu muti muts mutt mutu muut n-ii nbti nibi nibm nibs niir niit niiu nimb nimi nimr nims nimt nimu nini nins nirs nirt niru nisi niss nist nisu nitb niti nitr nits niur nmis nmit nmnt nmri nmtb nnit nnmt nnnn nnss nntn nrts nsbm nsin nsis nsmb nsnr nssb nssr nsss nsts nstu nsub ntis ntnu ntru ntsb ntss ntsu nttm nttr ntui nubi nubs nuim nuin nuit numb numi numm nums numt numu nunn nuns nunt nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu rbbb rbbr rbbs rbis rbms rbss rbst rib- ribs ribu riin riis rimi rimm rims rimu rinn riri rirs risi rism riss rist risu riti rits ritt ritu rius rmbs rmst rmtu rnbr rnin rnnt rnut rrrr rrum rrun rsbi rsis rsnn rsnr rsts rstu rsum rtmi rtms rtns rtss rtts rubb rubi rubs rubu ruin ruis ruit rumb rumi rumm rums rumt runi runn runs runt ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun