-ic b-u bbb bbc bbi bbn bbo bbr bbt bbu bby bcb bcc bci bcn bco bcr bct bcu bcy bi- bib bic bii bin bio bir bit biu biy bnb bnc bni bnn bno bnr bnt bnu bob boc boi bon boo bor bot bou boy brb bri brn bro brr brt bru bry btb btc bti btn bto btr btt btu bty bub buc bui bun buo bur but buu buy by- byc byi byn byo byr byt byu c-- cbb cbc cbi cbn cbo cbr cbt cbu cby ccb ccc cci ccn cco ccr cct ccu ci- cib cic cii cin cio cir cit ciu cn- cnb cnc cni cnn cno cnr cnt cnu cny co- cob coc coi con coo cor cot cou coy crb crc cri crn cro crr crt cru cry ctb ctc cti ctn cto ctr ctt ctu cty cub cuc cui cun cuo cur cut cuu cuy cyb cyc cyn cyo cyr cyt ibb ibc ibi ibn ibo ibr ibt ibu iby icb icc ici icn ico icr ict icu icy iib iic iii iin iio iir iit iiu in- inb inc ini inn ino inr int inu iny io- iob ioc ioi ion ioo ior iot iou ir- irb irc iri irn iro irr irt iru iry itb itc iti itn ito itt itu ity iu- iub iuc iui iur iut iyc iyo iyr iyt iyy n-i nbb nbc nbi nbn nbo nbr nbt nbu ncb ncc nci ncn nco ncr nct ncu nib nic nii nin nio nir nit niu nnb nnc nni nnn nno nnt nnu no- nob noc noi non noo nor not nou noy nrb nrc nri nrn nro nrr nrt nru nry ntb ntc nti ntn nto ntr ntt ntu nub nuc nui nun nuo nur nut nuu nuy nyc nyn nyo nyt nyu nyy o-i ob- obb obc obi obn obo obr obt obu oby oc- ocb occ oci ocn oco ocr oct ocu oib oic oii oin oio oir oit oiu on- onb onc oni onn ono onr ont onu ony oo- oob ooc ooi oon ooo oor oot or- orb orc ori orn oro orr ort oru ory ot- otb otc oti otn oto otr ott otu ou- ouc oui oun ouo our out oyi oyo rbb rbc rbi rbn rbo rbr rbt rbu rcb rcc rci rcn rco rcr rct rcu rib ric rii rin rio rir rit riy rnb rnc rni rnn rno rnr rnt rnu rny rob roc roi ron roo ror rot rou roy rrb rrc rri rrn rrr rrt rru rtb rtc rti rtn rto rtr rtt rtu rty rub ruc rui run ruo rur rut ruu ruy ry- ryc ryn ryo ryr ryu ryy tbb tbc tbi tbn tbo tbr tbt tbu tcb tcc tci tcn tco tcr tct tcu tib tic tii tin tio tir tit tiu tiy tnb tnc tni tnn tno tnr tnt to- tob toc toi ton too tor tot tou toy trb trc tri trn tro trr trt tru try ttb ttc tti ttn tto ttr ttt ttu tty tub tuc tui tun tuo tur tut tuu tuy tyc tyn tyo tyr tyt ubb ubc ubi ubn ubo ubr ubt ubu uby ucb ucc uci ucn uco ucr uct ucu uib uic uii uin uio uir uit uiu un- unb unc uni unn uno unr unt unu uny uob uoc uon uoo uor uot ur- urb urc uri urn uro urr urt uru ury utb utc uti utn uto utr utt utu uty uuc uun uur uut uuu uyc uyi uyo uyu ybc ybi ybr yby ycc yci yco ycu ycy yii yin yio yir yit ynn ynu yny yob yoc yoi yon yoo yor yot you yoy yrc yrn yro yrt yru ytc ytn yto ytr ytt ytu yui yun yuo yur yut yuu yuy yyb yyc yyt yyu yyy