b-u bbb bbd bbi bbk bbn bbo bbr bbu bdb bdd bdi bdk bdo bdr bdu bdv bi- bib bid bii bik bin bio bir biu biv bkb bkk bkn bko bkr bkv bnb bnd bni bnk bnn bno bnr bnu bnv bob bod boi bok bon boo bor bou bov brb brd bri brk brn bro brr bru brv bub bud bui buk bun buo bur buu bvb bvd bvi bvk bvn bvo bvr bvu bvv dbb dbd dbi dbk dbn dbo dbr dbu dbv ddb ddd ddi ddk ddn ddo ddr ddu di- dib did dii dik din dio dir diu div dkb dki dkk dko dkr dku dnb dnd dni dnk dnn dno dnr dob dod doi dok don doo dor dou dov drb drd dri drk drn dro drr dru drv dub dud dui duk dun duo dur duv dvb dvd dvi dvk dvn dvr dvu i-d i-v ibb ibd ibi ibk ibn ibo ibr ibu ibv idb idd idi idk idn ido idr idu idv iib iid iii iin iio iir iiu ikb iki ikk iko ikr iku ikv in- inb ind ini ink inn ino inr inu inv io- iob iod ioi ion ioo ior iou iov ir- irb ird iri irk irn iro irr iru irv iu- iub iud iui iur ivb ivd ivi ivo ivr ivu ivv kbb kbd kbi kbk kbn kbo kbr kbu kdb kdk kdo kdr kdu kib kid kii kik kin kio kir kiu kiv kkb kki kkk kkn kkr kku kkv kn- knd kni knk knn kno knr knu kob kod koi kok kon koo kor kou krd kri krk krn kro krr kru krv kub kud kui kuk kun kur kuu kvb kvi kvk kvn kvo kvr kvv n-i nbb nbd nbi nbk nbn nbo nbr nbu nbv ndb ndd ndi ndk ndn ndo ndr ndu ndv nib nid nii nik nin nio nir niu niv nki nkk nkn nko nkr nku nnb nni nnk nnn nno nnu nnv no- nob nod noi nok non noo nor nou nov nrb nrd nri nrk nrn nro nrr nru nrv nub nud nui nuk nun nuo nur nuu nuv nvb nvd nvi nvk nvn nvu nvv o-i ob- obb obd obi obk obn obo obr obu obv odb odd odi odn odo odr odu odv oib oid oii oik oin oio oir oiu oiv okb okd oki okk oko okr oku on- onb ond oni onk onn ono onr onu oo- oob ood ooi ook oon ooo oor oov or- orb ord ori ork orn oro orr oru orv ou- oud oui ouk oun ouo our ov- ovb ovd ovi ovo ovv rbb rbd rbi rbk rbn rbo rbr rbu rdb rdd rdi rdn rdo rdr rdu rdv rib rid rii rik rin rio rir riv rkb rkk rko rku rkv rnb rnd rni rnn rno rnr rnu rnv rob rod roi rok ron roo ror rou rov rrb rrd rri rrk rrn rrr rru rub rud rui ruk run ruo rur ruu ruv rvb rvd rvi rvn rvo rvr rvu rvv ubb ubi ubk ubn ubo ubr ubu ubv udb udd udi udk udn udo udr udu udv uib uid uii uin uio uir uiu ukb uki ukk ukn ukr uku un- unb und uni unk unn uno unr unu unv uob uod uok uon uoo uor ur- urb urd uri urk urn uro urr uru uun uur uuu uvb uvo uvu uvv vbd vbi vbk vbo vbr vbv vdb vdd vdi vdk vdo vdr vdu vdv vi- vib vid vii vik vin vio vir viu viv vkb vn- vnd vni vno vnr vnu vnv vob vod voi vok von voo vor vou vov vrb vrd vri vrk vrn vrr vru vuk vur vuv vvb vvi vvo vvr vvv

-nik bbbb bbdd bbdo bbin bd-r bdii bdin bibb bibi bibo bidi bido bidr bidu biin biko biku bin- bind bini bink binn bino binu bio- bioi bion biou birb bird biri birk birn biro birr biru bivi bnib bnin bnor bnrr bobb bobi bobo bobu bodb bodi bodo bodu boi- boid boii boin boiu boki bokn boko boku bond boni bonk bonn bono bonu boob bood book boon boor bor- bord bori bork born boro borr boru boud bouk boun bour bovi bovo brdo brid brik brin brio brkb brno brob brod brok bron broo bror brou brrr brud brun bruv brvi bubb bubi bubo bubu budb budd budi budo budu buid buik buin buir buiu buki bukk buko buku bunb bund buni bunk bunn buno bunu buon bur- burb burd buri burk burn buro burr buru buvd bvdu d-bo dbrn dddd ddub dibb dibo didi dido didu diii diiv diki diko diku din- dini dink dinn dino dinu dion dior diou dird dirk dirr divd divi divo dkid dnuk dobb dobi dobu dod- dodd dodi dodo doid doin doki doko dond doni donk donn dono donr doob dood dook doon door dord dori dork dorn doro dorr doru doub doud douk doun dour dovi drib drin drno drob drod dron drou drub drui druk druu druv drvn dub- dubb dubu dudd dudo dudu duid duin duir duki duku dunk dunn duno duo- duon duri durk durn duro duru duur dvdr dvi- dvii dvin dvir dvno dvor i-no ibdo ibid ibon ibrd ibri ibro iddo idid idin idio idir idku idno idon idro idub idun iduo idvd iiii iiio iino iioi iioo ikid ikin ikki ikko ikon ikoo ikri ikuo inbd inbo ind- indi indo indu inid inkd inki inni inno innr innu ino- inoi inon inor inou inri inro inui inuk inun iobi iod- iodd iodo ioii ioio ioko ioni ionn iono iooi iooo iori ioun irdo iri- irid irin irio irki irob irod iron irov irri irun iuiu iuno ivbv ivdr ivin ivod ivon ivor k-id kbbb kbbd kbbi kbbk kbbo kbbr kbbu kbdb kbdi kbdn kbdo kbdr kbdv kbib kbid kbik kbio kbiu kbkb kbkk kbko kbkr kbkv kbnd kbnn kbno kbnr kbnu kbnv