-ic -ol bbb bbc bbh bbi bbk bbl bbn bbo bbr bcb bcc bch bci bck bcl bcn bco bcr bhb bhc bhh bhi bhk bhl bho bhr bi- bib bic bih bii bik bil bin bio bir bkb bkc bkk bkl bkn bko bkr blb blc blh bli blk bll bln blo blr bnb bnc bni bnk bnl bnn bno bnr bob boc boh boi bok bol bon boo bor brb brh bri brk brl brn bro brr c-- cbb cbc cbh cbi cbk cbl cbn cbo cbr ccb ccc cch cci cck ccl ccn cco ccr ch- chb chc chh chi chk chl chn cho chr ci- cib cic cih cii cik cil cin cio cir ckb ckc ckh cki cko cl- clb clc clh cli clk cll cln clo clr cn- cnb cnc cnh cni cnl cnn cno cnr co- cob coc coh coi cok col con coo cor crb crc crh cri crk crl crn cro crr h-i hbb hbc hbh hbi hbk hbl hbn hbo hbr hcb hcc hch hci hck hcl hcn hco hcr hhb hhc hhh hhi hhk hhl hhn hho hhr hib hic hih hii hik hil hin hio hir hkb hkh hki hkk hkl hkn hko hkr hlb hlc hlh hli hll hln hlo hlr hnb hnc hnh hnk hnl hnn hno hob hoc hoh hoi hok hol hon hoo hor hr- hrb hrc hrh hri hrk hrl hrn hro hrr ibb ibc ibh ibi ibk ibl ibn ibo ibr icb icc ich ici ick icl icn ico icr ihb ihc ihh ihi ihk ihl ihn iho ihr iib iic iih iii iil iin iio iir ikb ikc iki ikk ikl iko ikr il- ilb ilc ilh ili ilk ill iln ilo ilr in- inb inc inh ini ink inl inn ino inr io- iob ioc ioh ioi iol ion ioo ior ir- irb irc iri irk irl irn iro irr kbb kbc kbh kbi kbk kbl kbn kbo kbr kcb kcc kch kci kck kcl kcn kcr khh khi khk khn kho khr kib kic kih kii kik kil kin kio kir kkb kkc kkh kki kkk kkl kkn kkr kl- klb klc klh kli klo klr kn- knc kni knk knl knn kno knr kob koc koh koi kok kol kon koo kor krc kri krk krl krn kro krr lbb lbc lbh lbi lbk lbl lbo lbr lcb lcc lch lci lck lcl lcn lco lcr lhb lhc lhh lhi lhk lho lhr lib lic lih lii lik lil lin lio lir lkb lkh lkl lkr llb llc lli llk lll lln llo llr lnb lnc lnh lni lnk lnl lnn lno lnr lob loc loh loi lok lol lon loo lor lrb lrc lrh lri lrk lrn lro lrr n-i nbb nbc nbi nbk nbl nbn nbo nbr ncb ncc nch nci nck ncl ncn nco ncr nhb nhc nhh nhi nhk nhl nhn nhr nib nic nih nii nik nil nin nio nir nkc nki nkk nkn nko nkr nlb nlc nlh nli nlk nll nln nlo nlr nnb nnc nnh nni nnk nnl nnn nno no- nob noc noh noi nok nol non noo nor nrb nrc nri nrk nrl nrn nro nrr o-i ob- obb obc obh obi obk obl obn obo obr oc- ocb occ och oci ock ocl ocn oco ocr ohc ohh ohi ohl ohn oho ohr oib oic oii oik oil oin oio oir okb okc oki okk okl oko okr olb olc oli olk oll oln olo on- onb onc onh oni onk onl onn ono onr oo- oob ooc ooh ooi ook ool oon ooo oor or- orb orc orh ori ork orl orn oro orr rbb rbc rbh rbi rbk rbl rbn rbo rbr rcb rcc rch rci rcl rcn rco rcr rh- rhb rhc rhh rhi rhl rhn rho rhr rib ric rih rii rik ril rin rio rir rkb rkc rkk rko rlc rlh rli rll rln rlo rlr rnb rnc rnh rni rnn rno rnr rob roc roh roi rok rol ron roo ror rrb rrc rrh rri rrk rrl rrn rrr