-al -ol -up a-a a-b a-i aaa aab aai aal aao aap aar aas aau ab- aba abb abi abl abo abp abr abs abu ai- aia aib aii ail aio aip air ais aiu al- ala alb ali all alo alp alr als alu aoa aob aoi aol aoo aop aor aos aou ap- apa apb api apl apo app apr aps apu ar- ara arb ari arl aro arp arr ars aru as- asa asb asi asl aso asp asr ass asu au- aua aub aui aul auo aup aur aus b-p b-u baa bab bai bal bao bap bar bas bau bba bbb bbi bbl bbo bbp bbr bbs bbu bi- bia bib bii bil bio bip bir bis biu bla blb bli bll blo blp blr bls blu boa bob boi bol boo bop bor bos bou bpa bpb bpi bpl bpo bpp bpr bps bpu bra brb bri brl bro brp brr brs bru bsa bsb bsi bsl bso bsp bsr bss bsu bua bub bui bul buo bup bur bus buu ia- iaa iab iai ial iao iap iar ias iau iba ibb ibi ibl ibo ibp ibr ibs ibu iia iib iii iil iio iip iir iis iiu il- ila ilb ili ill ilo ilp ilr ils ilu io- ioa iob ioi iol ioo iop ior ios iou ipa ipb ipi ipl ipo ipp ipr ips ipu ir- ira irb iri irl iro irp irr irs iru is- isa isb isi isl iso isp isr iss isu iu- iua iub iui iup iur ius l-p la- laa lab lai lal lao lap lar las lau lba lbb lbi lbl lbo lbp lbr lbs lbu lia lib lii lil lio lip lir lis liu lla llb lli lll llo llp llr lls llu loa lob loi lol loo lop lor los lou lpa lpb lpi lpl lpo lpp lpr lps lpu lra lrb lri lro lrp lrr lrs lru lsa lsb lsi lsl lso lsp lsr lss lsu lua lub lui lul luo lup lur lus luu o-i oaa oab oai oal oao oap oar oas oau ob- oba obb obi obl obo obp obr obs obu oia oib oii oil oio oip oir ois oiu ola olb oli oll olo olp ols olu oo- ooa oob ooi ool ooo oop oor oos op- opa opb opi opl opo opp opr ops or- ora orb ori orl oro orp orr ors oru os- osa osb osi osl oso osp osr oss osu ou- oua oui oul ouo oup our ous p-p paa pab pai pal pao pap par pas pau pba pbb pbi pbl pbo pbp pbr pbs pbu pia pib pii pil pio pip pir pis piu pla plb pli pll plo plp plr pls plu poa pob poi pol poo pop por pos pou ppa ppb ppi ppl ppo ppp ppr pps ppu pra prb pri prl pro prp prr prs pru ps- psa psb psi psl pso psp psr pss psu pua pub pui pul pup pur pus puu ra- raa rab rai ral rao rap rar ras rau rba rbb rbi rbl rbo rbp rbr rbs rbu ria rib rii ril rio rip rir ris rla rli rll rlo rlp rlr rls rlu roa rob roi rol roo rop ror ros rou rpa rpb rpi rpl rpo rpp rpr rps rpu rra rrb rri rrl rrp rrr rrs rru rsa rsb rsi rsl rso rsp rsr rss rsu rua rub rui ruo rup rur rus ruu saa sab sai sal sao sap sar sas sau sba sbb sbi sbl sbo sbp sbr sbs sbu sia sib sii sil sio sip sir sis siu sla slb sli sll slo slp slr sls slu soa sob soi sol soo sop sor sos sou spa spb spi spl spo spp spr sps spu sr- sra srb sri srl sro srp srr srs ss- ssa ssb ssi ssl sso ssp ssr sss ssu sua sub sui sul suo sup sur sus suu ua- uaa uab uai ual uao uap uar uas uau uba ubb ubi ubl ubo ubp ubr ubs ubu uia uib uii uil uio uip uir uis uiu ula ulb uli ull ulo ulp ulr uls ulu uoa uob uol uoo uop uor uos up- upa upb upi upo upp upr ups upu ur- ura urb uri url uro urp urr urs uru usa usb usi usl uso usp usr uss usu uua uur uus uuu