-nik bbbb bbbs bbin bibb bibi bibo bibs biin biis biko bin- bini bink binn bino bins bio- bioi bion bios birb biri birk birn biro birr birs bis- bisk biso biss bivi bnib bnin bnor bnrr bnss bobb bobi bobo bobs boi- boii boin bois boki bokn boko boks boni bonk bonn bono bons boob book boon boor boos bor- bori bork born boro borr bors bosi bosk bosn boso boss bovi bovo brik brin brio bris brkb brno brns brob brok bron broo bror bros brrr brrs brsb brsr brvi bsin bsns bson bsos i-no ibis ibns ibon ibos ibri ibro ibsn ibss iiii iiio iiis iino iioi iioo iios iirs iisi iisr ikin ikki ikko ikon ikoo ikri inbo inis inki inks inni inno innr inns ino- inoi inon inor inos inri inro inrs inso inss invs iobi ioii ioio ioko ioni ionn iono ions iooi iooo ioos iori iors ioso iri- irin irio iris irki irks irob iron irov irri irrs irvs isbn isin isis isko isno iso- isok ison isor isos isri issi isso issr isss ivbv ivin ivon ivor ivrs k-os kbbb kbbi kbbk kbbo kbbr kbbs kbib kbik kbio kbis kbkb kbkk kbko kbkr kbkv kbnn kbno kbnr kbnv kbob kboi kbok kbon kboo kbos kbov kbrb kbri kbrk kbrn kbro kbrv kbsb kbsi kbsk kbsn kbso kbsr kbss kbsv kbvb kbvo kbvr kibb kibi kibo kibr kibs kiii kiik kiis kiki kikk kiko kikr kin- kinb kini kink kinn kino kins kioi kiok kion kioo kirb kiri kirk kirn kiro kirr kirs kirv kisi kisk kisn kiso kisr kiss kisv kivi kkbb kkbi kkbn kkbo kkbr kkbs kkik kkin kkkk kknb kkni kknn kkno kkns kkob kkon kkoo kkor kkov kkrb kkrk kkrn kkro kkrr kkrs kkrv kksi kksn kksr kkss kkvr kkvv knbb knbn knbr knib knik knin knir knis kniv knki knkk knnb knnk knnr knns knob knok knon knor knrb knrk knro knrs knrv knsb knsi knsk knsn knso knsr knss knvn knvo knvr kobb kobi kobk kobn kobo kobr kobs koii koin koir koiv kokb koki kokk kokn koko kokr koks koni konk kono koob kooi kook koon kooo koor koos koov korb kori kork korn koro korr kors korv kos- kosb kosi koso kosr koss kovi kovk kovo kovr krbb krbi krbk krbr krib krik krin krio kris kriv krki krkk krkn krko krkr krks krkv krnb krni krnk krnn krno krnv krob kroi krok kroo kror kros krov krrb krri krrk krrn krro krrr krrs krsk krsn krsr krss krsv krvb krvi krvk krvn krvo krvr krvs krvv ksbi ksbn ksbr ksbs ksbv ksib ksii ksik ksir ksis ksiv kskb kskk kskn ksko kskr ksks ksnb ksnk ksnn ksnr ksns ksnv ksob ksoi ksok kson ksoo ksor ksos ksrb ksrn ksro ksrr ksrs ksrv kssi kssn ksso kssr ksss ksvi ksvn ksvr kvbr kvik kvin kvir kvis kviv kvni kvnn kvno kvnr kvns kvob kvoi kvok kvon kvoo kvor kvov kvri kvro kvrr kvrv kvsi kvso kvsr kvss kvsv kvvn kvvr kvvs kvvv n-ii nbbo nibi nibo nibs niir niki niko niks nini nino nins nion nioo nios niro nirs nirv nisi niso niss nivo nivr nkio nkok nkor nnnn nnos nnss nobi nobo nobs noib noik noin noio noir nois noki noko non- noni nonn nono nons noo- noob nook noon nooo noor noos noov nor- norb nori nork norn noro norr nors norv nos- nosk noss nov- novi novo nron nrsv nsbo nsin nsis nskk nsnr nsok nsos nssb nsso nssr nsss nvir nvis nvss obbo obin obis obkb oboi obok obon obor obos obri obro obsn obsr obss obvi obvs oiii oiko oiks oink oins oion oios okir okko okni okno okok okon okor okro oksi okso onir onis onni onno onon onor onos onso oobi oons oooo ooos oosi orbb orbi orbo orbs ori- orin orio oris orko orni orno orns oro- orok oron oror oros orri orro orrs orsi orsk orso orvr orvs osii osik osin osis oski osno osnr osoi osoo osor osos osov osro ossb ossi osso ovi- ovis ovni ovo- ovon ovoo rbbb rbbr rbbs rbis rbss rib- ribo ribs riin riis riki rikk rink rinn rino rion rios riri rirs risi risk riso riss rivo rivs rkos rkss rksv rnbr rnin rob- robb robi robo robs roik roin roio roir rois roki rokk roko rokr roks roni ronk rono rons roob rooi rook roon roor roos rori rork roro rosi roso ross rovi rovo rovs rrrr rsbi rsis rsnn rsno rsnr rsos rvik s-ib s-ii s-iv s-os sbbs sbor sbrk sbsi sibi sibo sibs siik siki siko sikr siks sini sink sinn sino sins sion sior sios siri sirk siro sirr sirs sisi sisk siss sivi skik skin skio skir skis skiv skn- skon skor skov skss snib snir snns snob snoo snor snos snov snrk snrs snvi sobo sobr sobs soik soin soir sois soki sokk sokn soko son- soni sonk sono sons sook soon soor soos sorb sori sorn soro sorr sors sosi soso soss sosv sovo sovs srib sris srni srnn srno sros srvn ssbn ssbr ssin ssis ssns ssri ssrs sssb sssi ssss svir svns svor vibs viii viik viki viko vini vink vino vins vion vios virb viri virk viro virr visi visk visn viso viss vivi vivo vkor vnir vnso voin voio voir vois voks voni vonk vonn vons voor vor- vori voro vors vosi voso voss vovk vrin vrio vris vrnn vron vrsi vvob vvsb vvvv