b-u bbb bbh bbi bbr bbu bhb bhh bhi bhr bhu bi- bib bih bii bir biu brb brh bri brr bru bub buh bui bur buu h-i hbb hbh hbi hbr hbu hhb hhh hhi hhr hhu hib hih hii hir hiu hr- hrb hrh hri hrr hru hub huh hui hur huu ibb ibh ibi ibr ibu ihb ihh ihi ihr ihu iib iih iii iir iiu ir- irb iri irr iru iu- iub iui iur rbb rbh rbi rbr rbu rh- rhb rhh rhi rhr rhu rib rih rii rir rrb rrh rri rrr rru rub ruh rui rur ruu ubb ubh ubi ubr ubu uhb uhh uhi uhr uhu uib uii uir uiu ur- urb uri urr uru uur uuu

bbbb bhir bhur bhuu bibb bibi bihi bihu birb biri birr biru brih brrr bruh bubb bubi bubu buhi buhr buir buiu bur- burb burh buri burr buru h-ii hhhh hibi hibu hihi hiiu hiri hiru hrib hubb hubi huhi huhu huib huir huri hurr huru huub ibri ihub iiii iri- irri iuiu rbbb rbbr rhib rib- ribu riri rrrr rubb rubi rubu ruhh ruhi ruhr ruri ruru ubbi ubii ubir uhuh uirr urbi urib uriu urrh urri urur uuri uuuu

bibri birur brrrr bruiu bruri burri burru h-iib hhhhh hi-hi hibhi hibri hirur hubur huhuh hurri huuru ibbur iiiii ribbi rubbi ruhub ruiru ubirr uh-uh uhhuh uhuru urubu ururi uuuuu

bbbbbb bibiri bibiru biribi bribir bribri brubru bububu burbur bururi hibhib hubbub hububb huh-uh ruhubi uh-huh

bbbbbbb brihiri hub-bub hur-bur hurhuri ihururu uriburu

bbbbbbbb buruburu hurr-bur i-ii-iii uh-uh-uh

hurr-burr

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