-up b-p b-u bbb bbl bbp bbs bbu blb bll blp bls blu bpb bpl bpp bps bpu bsb bsl bsp bss bsu bub bul bup bus buu l-p lbb lbl lbp lbs lbu llb lll llp lls llu lpb lpl lpp lps lpu lsb lsl lsp lss lsu lub lul lup lus luu p-p pbb pbl pbp pbs pbu plb pll plp pls plu ppb ppl ppp pps ppu ps- psb psl psp pss psu pub pul pup pus puu sbb sbl sbp sbs sbu slb sll slp sls slu spb spl spp sps spu ss- ssb ssl ssp sss ssu sub sul sup sus suu ubb ubl ubp ubs ubu ulb ull ulp uls ulu up- upb upp ups upu usb usl usp uss usu uus uuu

bbbb bbbs bblb bbls blls blsp blss blub blup blus bpsu bspp bsup bubb bubs bubu bulb bull buls bulu bups buss busu buus llbs llll llps lppl lpss lsbu lspl lssp lubs lull lulu lupu luss luup pblu pbsp plpp plss plup plus pppp ppps ppss pspp psps publ pubs pubu pull pulp puls pulu pupl pups pupu puss sbbs sbsp sbus slbp sllp slpp slps slsu slub slup splp spls spps spsp spss spus sslp sspl ssps sssb ssss sub- subb subl subs sul- sull sulp sulu sup- supp sups sus- susp suss susu suus ubls ulul ulus uplb uppp uppu upup usbl usbs uslp uslu uspp usps ussb usss ussu usul usus uulu uuuu

bbuss blubs bplus bulb- bulbs bull- bulls bulul bulus bussu busuu lulls lulul lulus lupsu lupul lupus lusus plupp pull- pulls pullu pulps s-bus slubs sluss spuul ssbul sssss subbu subss sulls sulus supls suppl supps susus ululu uuuuu

bbbbbb blublu bububu bulbul bulbus bulusu lullus pppppp ppsspp pubsub pullup pullus pulsus s-plus susulu ubussu

bbbbbbb bulbuls bullpup busplus lupulus plusbus pull-up pullsup pullups sssssss susulus

bbbbbbbb bull-pup plusplus pull-ups

bull-pups

bbbbbbbbbbbbbbb