bbbb bbci bbin bbpr bbrc bcbc bcbp bccc bcci bcor bcpp bcvo bibb bibi bibo bicc bici bico biin bin- binc bini binn bino bio- bioc bioi bion bipp birb biri birn biro birr bivi bnib bnin bnoc bnor bnpp bnrr bobb bobi bobo boco boi- boii boin bonc boni bonn bono boob booc boon boop boor bopp bor- bori born boro borr bovi bovo bpcp bprc brcb bric brin brio brno brob broc bron broo bror brrr brvi c-bo cbbc cbcc cbcn cbcp cbcr cbir cbpc cbpp cbrn cbvb cbvn cbvp cbvr ccbc ccbn cccb cccc ccci cccp cccv ccic ccii ccip ccir cciv ccnb ccnc ccni ccnp ccnr ccob ccoc ccpn ccpp ccpr ccrc ccri ccrp ccvi ccvo cibc cibi cibo cicc cici cico cicr ciii cin- cinc cini cino cinv ciob cion cior cipo cipp cirb circ ciri ciro cirr civc civo cnbc cnbp cnci cnco cncp cnib cnic cnrc cnrr cobb cobi cobo coco cocp coin coip coir con- conc coni conn cono conv coob coon coop copi copo copp copr cor- corb corc cori corn coro corp corr covo cpbc cpic cpio cpnb cpni cpri cpvc crbc crcc crcr crib cric crin crip crob croc cron croo crop cror crpc cvcc cvii cvrr i-no ibon ibrc ibri ibro icbc icbp iccb iccc icci iccn icco iccp iccr icnb icnc icoc icon icor icpc icpo icrc icrr iiii iiio iino iioi iioo iiop iirc inbo incb inci inco incr inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iobi ioci iocp ioii ioio ioni ionn iono iooi iooo iori ipcc ipin ipop ippc ippo ippr ipri irbp ircc iri- iric irin irio irip irob iroc iron irop irov irpc irrc irri ivbv ivic ivin ivon ivor n-ii nbbc nbbo nbcc nbci nbco nbic nbpp ncbc ncbi nccc ncci nccn nccp nccr ncip ncnc ncoc ncor ncpc ncrc ncri ncrp nibi nibo nicc nici nico niip niir nini nino nion nioo nipc nipr niro nirv nivo nivr nnnn nnpi nnpr nobc nobi nobo noci noco noib noin noio noir non- noni nonn nono noo- noob noon nooo noop noor noov nor- norb norc nori norn noro norr norv nov- novi novo npcc npic npin npiv npov nppc npri nric nroc nron nrpc nrpn nrrc nvcc nvir nvpi obbo obin oboi obon obor obri obro obvi ocbc occc occi occn ocin ocon ocpp ocro ocrr oici oiii oion oipc onc- onco onic onir onni onno onon onor oobi oocr oooo opic opii opin opio opo- opon opor oppi oppo orbb orbi orbo orci orco ori- oric orin orio ornc orni orno oro- oron oror orpc orpi orri orro orvr ovi- ovni ovo- ovon ovoo ovpp pbcc pboc pcbc pccc pcin pcip pcpb pcpn pcpp pcrc pibb pibi picc pici pico picr piip pinc pini pinn pino pinp piob pion pipi pipo pipp pirc piri pirn piro pirr pivo pnic pnin pnon pnpo pnpp pnro pobo poco poin poio ponc poni pono ponp poon poop poor pop- popc popi popo popp porb porc pori porn poro porr povo ppbv ppcc ppci ppib ppic pppn pppo pppp pprc prbc prcc prcp pri- prii prin priv prnp pro- prob proc pron proo prop prov prri pvco rbbb rbbr rcbc rcbo rccb rccc rcic rcnr rcon rcpi rcpo rcvr rib- ribo ricc rico riin rinn rino rion ripi ripp ripr riri rivo rivp rnbr rnco rncp rnin rnpv rob- robb robi robo rocc roco roin roio roir ronc roni rono roob rooi roon roop roor ropo rorc rori roro rovi rovo rpii rpob rpon rppn rrrr rv-c vbcc vcbi vcci vcon vic- vici vico viii vinc vini vino vion vipr virb virc viri viro virr vivi vivo vnir voic voin voio voip voir voni vonn vooc voor vor- vori voro vpon vpro vrci vrin vrio vrnn vroc vron vrpn vvob vvpb vvvv