-ic bbb bbc bbh bbi bbk bbn bbo bbr bcb bcc bch bci bck bcn bco bcr bhb bhc bhh bhi bhk bho bhr bi- bib bic bih bii bik bin bio bir bkb bkc bkk bkn bko bkr bnb bnc bni bnk bnn bno bnr bob boc boh boi bok bon boo bor brb brh bri brk brn bro brr c-- cbb cbc cbh cbi cbk cbn cbo cbr ccb ccc cch cci cck ccn cco ccr ch- chb chc chh chi chk chn cho chr ci- cib cic cih cii cik cin cio cir ckb ckc ckh cki cko cn- cnb cnc cnh cni cnn cno cnr co- cob coc coh coi cok con coo cor crb crc crh cri crk crn cro crr h-i hbb hbc hbh hbi hbk hbn hbo hbr hcb hcc hch hci hck hcn hco hcr hhb hhc hhh hhi hhk hhn hho hhr hib hic hih hii hik hin hio hir hkb hkh hki hkk hkn hko hkr hnb hnc hnh hnk hnn hno hob hoc hoh hoi hok hon hoo hor hr- hrb hrc hrh hri hrk hrn hro hrr ibb ibc ibh ibi ibk ibn ibo ibr icb icc ich ici ick icn ico icr ihb ihc ihh ihi ihk ihn iho ihr iib iic iih iii iin iio iir ikb ikc iki ikk iko ikr in- inb inc inh ini ink inn ino inr io- iob ioc ioh ioi ion ioo ior ir- irb irc iri irk irn iro irr kbb kbc kbh kbi kbk kbn kbo kbr kcb kcc kch kci kck kcn kcr khh khi khk khn kho khr kib kic kih kii kik kin kio kir kkb kkc kkh kki kkk kkn kkr kn- knc kni knk knn kno knr kob koc koh koi kok kon koo kor krc kri krk krn kro krr n-i nbb nbc nbi nbk nbn nbo nbr ncb ncc nch nci nck ncn nco ncr nhb nhc nhh nhi nhk nhn nhr nib nic nih nii nik nin nio nir nkc nki nkk nkn nko nkr nnb nnc nnh nni nnk nnn nno no- nob noc noh noi nok non noo nor nrb nrc nri nrk nrn nro nrr o-i ob- obb obc obh obi obk obn obo obr oc- ocb occ och oci ock ocn oco ocr ohc ohh ohi ohn oho ohr oib oic oii oik oin oio oir okb okc oki okk oko okr on- onb onc onh oni onk onn ono onr oo- oob ooc ooh ooi ook oon ooo oor or- orb orc orh ori ork orn oro orr rbb rbc rbh rbi rbk rbn rbo rbr rcb rcc rch rci rcn rco rcr rh- rhb rhc rhh rhi rhn rho rhr rib ric rih rii rik rin rio rir rkb rkc rkk rko rnb rnc rnh rni rnn rno rnr rob roc roh roi rok ron roo ror rrb rrc rrh rri rrk rrn rrr

-nik bbbb bbch bbci bbin bbrc bcbc bccc bcci bcor bhcc bhir bhoi bhor bibb bibi bibo bicc bich bici bick bico bihi biin bikh biko bin- binc binh bini bink binn bino bio- bioc bioi bion birb biri birk birn biro birr bnib bnin bnoc bnor bnrr bobb bobi bobo boch bock boco bohn boho bohr boi- boii boin boki bokn boko bonc boni bonk bonn bono boob booc booh book boon boor bor- borh bori bork born boro borr brcb bric brih brik brin brio brkb brno brob broc broh brok bron broo bror brrr c-bo cbbc cbcc cbcn cbcr cbir cbkn cbko cbkr cbrh cbrn ccbc ccbn cccb cccc ccci cchr ccic ccii ccir ccnb ccnc ccni ccnr ccob ccoc ccrc ccri chch chci chib chic chih chik chin chir chkb chnb chnc chno chnr choc choh choi chok chon choo chor chrb chrc chrn chro chrr cibc cibi cibo cicc cich cici cico cicr cihr ciii ciko cikr cin- cinc cini cink cino ciob cion cior cirb circ cirh ciri cirk ciro cirr ckbc ckbi ckch ckck ckco ckin cknb cknc ckob ckoc ckoi ckoo ckor ckrc cnbc cnci cnco cnib cnic cnih cnki cnoh cnrc cnrr cobb cobh cobi cobo coch cock coco cohn coho coin coir cok- coko con- conc coni conk conn cono coob cooh cook coon cor- corb corc cori cork corn coro corr crbc crcc crcr crib cric crik crin crkc crob croc croh crok cron croo cror h-ii hbic hbio hboc hcbc hccb hccc hcch hchi hhhh hi-c hibi hicc hich hick hico hihc hihi hiho hiki hinc hink hinn hino hiob hioc hiri hirk hirn hiro hkcc hkir hnoi hobo hoch hock hocn hocr hohn hoho hoik hoir hoki hoko honi honk hono hook hoon hoor horc hori hork horn horo horr hrib hrob hron hrrc i-no ibon ibrc ibri ibro icbc iccb iccc icci iccn icco iccr ichc ichi icho ichr icnb icnc icoc icon icor icrc icrr ihcc ihob ihrc iiii iiio iino iioi iioo iirc ikin ikki ikko ikon ikoo ikri inbo incb inch inci inco incr inki inni inno innr ino- inoi inon inor inri inro iobi ioci ioii ioio ioko ioni ionn iono iooi iooo iori ircc iri- iric irin irio irki irob iroc iroh iron irrc irri k-ci kbbb kbbc kbbi kbbk kbbo kbbr kbcb kbch kbci kbck kbco kbcr kbhb kbhc kbhh kbhi kbhn kbhr kbib kbic kbik kbio kbkb kbkk kbko kbkr kbnh kbnn kbno kbnr kbob kboc kboi kbok kbon kboo kbrb kbrc kbrh kbri kbrk kbrn kbro kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kchh kchi kchk kchn kcho kchr kcic kcii kcin kcir kckc kckk kckn kcko kckr kcnb kcnh kcni kcno kcnr kcob kcoh kcon kcor kcrc kcrh kcri kcrn kcro kcrr khbc khbr khcb khcc khch khck khhk khho khic khii khin khio khki khkk khkn khkr khnc khnk khnr khob khoc khoi khok khon khor khri khrk khro khrr kibb kibc kibi kibo kibr kicb kicc kick kicr kihc kihh kihi kihk kihn