-ic b-u bbb bbc bbi bbn bbo bbr bbu bcb bcc bci bcn bco bcr bcu bcz bi- bib bic bii bin bio bir biu biz bnb bnc bni bnn bno bnr bnu bnz bob boc boi bon boo bor bou boz brb bri brn bro brr bru brz bub buc bui bun buo bur buu buz bzn bzo bzr bzu bzz c-- cbb cbc cbi cbn cbo cbr cbu cbz ccb ccc cci ccn cco ccr ccu ccz ci- cib cic cii cin cio cir ciu cn- cnb cnc cni cnn cno cnr cnu co- cob coc coi con coo cor cou coz crb crc cri crn cro crr cru crz cub cuc cui cun cuo cur cuu cuz cz- czc czo ibb ibc ibi ibn ibo ibr ibu ibz icb icc ici icn ico icr icu icz iib iic iii iin iio iir iiu in- inb inc ini inn ino inr inu io- iob ioc ioi ion ioo ior iou ir- irb irc iri irn iro irr iru iu- iub iuc iui iur iuz izi izo izu izz n-i nbb nbc nbi nbn nbo nbr nbu ncb ncc nci ncn nco ncr ncu nib nic nii nin nio nir niu niz nnb nnc nni nnn nno nnu nnz no- nob noc noi non noo nor nou noz nrb nrc nri nrn nro nrr nru nrz nub nuc nui nun nuo nur nuu nzb nzi nzo nzz o-i ob- obb obc obi obn obo obr obu oc- ocb occ oci ocn oco ocr ocu ocz oib oic oii oin oio oir oiu oiz on- onb onc oni onn ono onr onu oo- oob ooc ooi oon ooo oor or- orb orc ori orn oro orr oru orz ou- ouc oui oun ouo our ozo ozu ozz rbb rbc rbi rbn rbo rbr rbu rcb rcc rci rcn rco rcr rcu rib ric rii rin rio rir riz rnb rnc rni rnn rno rnr rnu rnz rob roc roi ron roo ror rou roz rrb rrc rri rrn rrr rru rub ruc rui run ruo rur ruu ruz rzb rzo ubb ubc ubi ubn ubo ubr ubu ucb ucc uci ucn uco ucr ucu uib uic uii uin uio uir uiu un- unb unc uni unn uno unr unu uob uoc uon uoo uor ur- urb urc uri urn uro urr uru urz uuc uun uur uuu uzb uzi uzo uzu zbb zbc zbr zco zib zin zio zir ziz znc znn zno zo- zob zoc zoi zon zoo zor zou zro zub zuc zui zun zur zuz zzr zzz

bbbb bbci bbin bbrc bcbc bccc bcci bcnu bcor bcoz bcru bcuc bibb bibi bibo bicc bici bico biin bin- binc bini binn bino binu binz bio- bioc bioi bion biou birb biri birn biro birr biru bizu bizz bnib bnin bnoc bnor bnrr bobb bobi bobo bobu boco bocu boi- boii boin boiu bonc boni bonn bono bonu boob booc boon boor booz bor- bori born boro borr boru borz boun bour bozi bozo brcb bric brin brio briz brno brob broc bron broo bror brou broz brrr bruc brun bruz bubb bubi bubo bubu bucc buci buco bucu bucz buic buin buir buiu bunb buni bunn buno bunu bunz buon bur- burb buri burn buro burr buru burz buuz buzi buzz bzou bzzz c-bo cbbc cbcc cbcn cbcr cbcu cbir cbrn ccbc ccbn cccb cccc ccci cccu ccic ccii ccir ccnb ccnc ccni ccnr ccnu ccob ccoc ccrc ccri ccuc cibc cibi cibo cicc cici cico cicr cicu ciii cin- cinc cini cino ciob cion cior cirb circ ciri ciro cirr ciuc cnbc cnci cnco cnib cnic cnnz cnrc cnrr cobb cobi cobo cobu coco cocu coin coir con- conc coni conn cono coob coon cor- corb corc cori corn coro corr coub coun cour cozi cozz crbc crbu crcc crcr crcz crib cric crin criu crob croc cron croo cror croz crub crun cruz cub- cubb cubi cucc cuci cucn cui- cuin cuir cuno cuon curb curi curn curo curr cuzo czon i-no ibon ibrc ibri ibro icbc iccb iccc icci iccn icco iccr iccu icnb icnc icoc icon icor icrc icrr icru icub iczn iiii iiio iino iioi iioo iirc iiuc inbo incb inci inco incr inni inno innr innu ino- inoi inon inor inou inoz inri inro inui inun iobi ioci ioii ioio ioni ionn iono iooi iooo iori ioun ircc ircu iri- iric irin irio irob iroc iron irrc irri irun iucc iuiu iuno izon izzo n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccr nccu ncnc ncoc ncor ncrc ncri nibi nibo nicc nici nico nicu niir niiu nini nino nion nioo niou niro niru niur nnnn nobc nobi nobo nobu noci noco noib noin noio noir non- noni nonn nono nonu noo- noob noon nooo noor nor- norb norc nori norn noro norr noun nour nozi nric nroc nron nrrc nubc nubi nuci nucu nuin nunc nunn nuno nuoc nuon nurc nuri nurn nurr nuru nuzi nzcc nzrb obbo obin oboi obon obor obri obro ocbc occc occi occn ocin ocon ocro ocrr ocur oici oiii oion onc- onco onic onir onni onno onon onor onoz onur onzo oobi oocr oooo oozi orbb orbi orbo orbu orci orco ori- oric orin orio ornc orni orno oro- oron oror oroz orri orro orub orzo orzu oucc ouii ouin ouir oun- our- ourn ouro ouu- ouzo ozon ozun rbbb rbbr rcbc rcbo rccb rccc rcic rcnr rcon rib- ribo ribu ricc rico riin rinn rino rion riou rioz riri rizi rizu rizz rnbr rnco rnin rob- robb robi robo robu rocc roco roin roio roir roiu roiz ronc roni rono roob rooi roon roor rooz rorc rori roro roru roub roun rouz rozi rozz rrrr rrun rubb rubi rubu ruci ruin ruiz runc runi runn runo rurc ruri ruro ruru ruun ruzi ubbi ubbo ubic ubii ubir uboc ubon ucbc ucci ucin ucio ucon ucoz ucrc uirr uncc unci unco