-ly -ol b-u bbb bbi bbl bbo bbr bbs bbt bbu bbx bby bi- bib bii bil bio bir bis bit biu bix biy blb bli bll blo blr bls blt blu blx bly bob boi bol boo bor bos bot bou box boy brb bri brl bro brr brs brt bru brx bry bsb bsi bsl bso bsr bss bst bsu bsx bsy btb bti btl bto btr bts btt btu btx bty bub bui bul buo bur bus but buu bux buy bxb bxi bxl bxo bxx by- byi byl byo byr bys byt byu ibb ibi ibl ibo ibr ibs ibt ibu ibx iby iib iii iil iio iir iis iit iiu iix il- ilb ili ill ilo ilr ils ilt ilu ilx ily io- iob ioi iol ioo ior ios iot iou ir- irb iri irl iro irr irs irt iru irx iry is- isb isi isl iso isr iss ist isu isy itb iti itl ito its itt itu itx ity iu- iub iui iur ius iut ixi ixl ixy iyo iyr iys iyt iyy lbb lbi lbl lbo lbr lbs lbt lbu lbx lib lii lil lio lir lis lit liu lix llb lli lll llo llr lls llt llu lly lob loi lol loo lor los lot lou lox loy lrb lri lro lrr lrs lrt lru lry lsb lsi lsl lso lsr lss lst lsu ltb lti ltl lto ltr lts ltt ltu ltx lub lui lul luo lur lus lut luu lux luy lxi lxo lxr lxx lyl lyo lyr lys lyt lyx o-i ob- obb obi obl obo obr obs obt obu obx oby oib oii oil oio oir ois oit oiu olb oli oll olo ols olt olu oly oo- oob ooi ool ooo oor oos oot oox or- orb ori orl oro orr ors ort oru orx ory os- osb osi osl oso osr oss ost osu osx ot- otb oti otl oto otr ots ott otu ou- oui oul ouo our ous out ox- oxb oxi oxo oxt oxx oxy oyi oyl oyo oys rbb rbi rbl rbo rbr rbs rbt rbu rbx rib rii ril rio rir ris rit rix riy rli rll rlo rlr rls rlt rlu rly rob roi rol roo ror ros rot rou rox roy rrb rri rrl rrr rrs rrt rru rsb rsi rsl rso rsr rss rst rsu rsx rtb rti rtl rto rtr rts rtt rtu rtx rty rub rui ruo rur rus rut ruu rux ruy rxr rxs ry- ryo ryr rys ryu ryy sbb sbi sbl sbo sbr sbs sbt sbu sbx sby sib sii sil sio sir sis sit siu six slb sli sll slo slr sls slt slu slx sly sob soi sol soo sor sos sot sou sox soy sr- srb sri srl sro srr srs srt srx sry ss- ssb ssi ssl sso ssr sss sst ssu ssx stb sti stl sto str sts stt stu stx sty sub sui sul suo sur sus sut suu sux suy sxi sxl sxs sxt sxu sy- syb syi syl syr sys syt syu syx t-x tbb tbi tbl tbo tbr tbs tbt tbu tib tii til tio tir tis tit tiu tix tiy tli tll tlo tlr tls tlt tlu tlx to- tob toi tol too tor tos tot tou tox toy trb tri trl tro trr trs trt tru trx try tsb tsi tsl tso tsr tss tst tsu tsx tsy ttb tti ttl tto ttr tts ttt ttu ttx tty tub tui tul tuo tur tus tut tuu tux tuy txi txl txs txt txu tyl tyo tyr tys tyt ubb ubi ubl ubo ubr ubs ubt ubu ubx uby uib uii uil uio uir uis uit uiu ulb uli ull ulo ulr uls ult ulu uly uob uol uoo uor uos uot uox ur- urb uri url uro urr urs urt uru urx ury usb usi usl uso usr uss ust usu usx utb uti utl uto utr uts utt utu utx uty uur uus uut uuu uxb uxo uxr uxt uxu uyi uyo uys uyu xbl xbr xbx xii xio xis xit xiu xix xlb xli xlr xls xlt xoi xoo xor xos xot xox xrt xrx xry xsb xsi xsl xss xst xti xtr xts xtx xty xui xul xus xxi xxl xxo xxx xxy xyl xyr xyy ybi ybl ybr ybs yby yii yio yir yis yit yli yll ylr yls ylt yly yob yoi yol yoo yor yos yot you yox yoy yro yrs yrt yru ysb ysi ysl yso ysr yss yst ysu ysy ytl yto ytr yts ytt ytu yui yul yuo yur yus yut yuu yux yuy yxy yyb yys yyt yyu yyy