-ol -th b-u bbb bbh bbi bbl bbo bbr bbt bbu bbx bhb bhh bhi bhl bho bhr bht bhu bhx bi- bib bih bii bil bio bir bit biu bix blb blh bli bll blo blr blt blu blx bob boh boi bol boo bor bot bou box brb brh bri brl bro brr brt bru brx btb bth bti btl bto btr btt btu btx bub buh bui bul buo bur but buu bux bxb bxi bxl bxo bxx h-i hbb hbh hbi hbl hbo hbr hbt hbu hbx hhb hhh hhi hhl hho hhr hht hhu hib hih hii hil hio hir hit hiu hix hlb hlh hli hll hlo hlr hlt hlu hlx hob hoh hoi hol hoo hor hot hou hox hr- hrb hrh hri hrl hro hrr hrt hru htb hth hti htl hto htr htt htx hub huh hui hul huo hur hut huu hux hxl ibb ibh ibi ibl ibo ibr ibt ibu ibx ihb ihh ihi ihl iho ihr iht ihu iib iih iii iil iio iir iit iiu iix il- ilb ilh ili ill ilo ilr ilt ilu ilx io- iob ioh ioi iol ioo ior iot iou ir- irb iri irl iro irr irt iru irx itb ith iti itl ito itt itu itx iu- iub iui iur iut ixi ixl lbb lbh lbi lbl lbo lbr lbt lbu lbx lhb lhh lhi lho lhr lht lhu lhx lib lih lii lil lio lir lit liu lix llb lli lll llo llr llt llu lob loh loi lol loo lor lot lou lox lrb lrh lri lro lrr lrt lru ltb lth lti ltl lto ltr ltt ltu ltx lub luh lui lul luo lur lut luu lux lxi lxo lxr lxx o-i ob- obb obh obi obl obo obr obt obu obx ohh ohi ohl oho ohr oht ohu oib oii oil oio oir oit oiu olb oli oll olo olt olu oo- oob ooh ooi ool ooo oor oot oox or- orb orh ori orl oro orr ort oru orx ot- otb oth oti otl oto otr ott otu ou- ouh oui oul ouo our out ox- oxb oxi oxo oxt oxx rbb rbh rbi rbl rbo rbr rbt rbu rbx rh- rhb rhh rhi rhl rho rhr rht rhu rib rih rii ril rio rir rit rix rlh rli rll rlo rlr rlt rlu rob roh roi rol roo ror rot rou rox rrb rrh rri rrl rrr rrt rru rtb rti rtl rto rtr rtt rtu rtx rub ruh rui ruo rur rut ruu rux rxr t-x tbb tbh tbi tbl tbo tbr tbt tbu th- thb thh thi thl tho thr tht thu thx tib tih tii til tio tir tit tiu tix tlh tli tll tlo tlr tlt tlu tlx to- tob toh toi tol too tor tot tou tox trb trh tri trl tro trr trt tru trx ttb tth tti ttl tto ttr ttt ttu ttx tub tuh tui tul tuo tur tut tuu tux txi txl txt txu ubb ubh ubi ubl ubo ubr ubt ubu ubx uhb uhh uhi uhl uho uhr uht uhu uib uii uil uio uir uit uiu ulb uli ull ulo ulr ult ulu uob uol uoo uor uot uox ur- urb uri url uro urr urt uru urx utb uth uti utl uto utr utt utu utx uur uut uuu uxb uxo uxr uxt uxu xbl xbr xbx xht xii xio xit xiu xix xlb xli xlr xlt xoi xoo xor xot xox xrt xrx xti xtr xtx xui xul xxi xxl xxo xxx