-al -ic -ol -up a-a a-b a-c a-i aaa aab aac aai aak aal aao aap aar aau ab- aba abb abc abi abk abl abo abp abr abu ac- aca acb acc aci ack acl aco acp acr acu ai- aia aib aic aii aik ail aio aip air aiu aka akb akc aki akk akl ako akp akr aku al- ala alb alc ali alk all alo alp alr alu aoa aob aoc aoi aok aol aoo aop aor aou ap- apa apb apc api apk apl apo app apr apu ar- ara arb arc ari ark arl aro arp arr aru au- aua aub auc aui auk aul auo aup aur b-p b-u baa bab bac bai bak bal bao bap bar bau bba bbb bbc bbi bbk bbl bbo bbp bbr bbu bca bcb bcc bci bck bcl bco bcp bcr bcu bi- bia bib bic bii bik bil bio bip bir biu bka bkb bkc bkk bkl bko bkp bkr bla blb blc bli blk bll blo blp blr blu boa bob boc boi bok bol boo bop bor bou bpa bpb bpc bpi bpl bpo bpp bpr bpu bra brb bri brk brl bro brp brr bru bua bub buc bui buk bul buo bup bur buu c-- caa cab cac cai cak cal cao cap car cau cba cbb cbc cbi cbk cbl cbo cbp cbr cbu cca ccb ccc cci cck ccl cco ccp ccr ccu ci- cia cib cic cii cik cil cio cip cir ciu cka ckb ckc cki cko cl- cla clb clc cli clk cll clo clp clr clu co- coa cob coc coi cok col coo cop cor cou cpa cpb cpc cpi cpk cpl cpo cpp cpr cpu cra crb crc cri crk crl cro crp crr cru cua cub cuc cui cuk cul cuo cup cur cuu ia- iaa iab iac iai ial iao iap iar iau iba ibb ibc ibi ibk ibl ibo ibp ibr ibu ica icb icc ici ick icl ico icp icr icu iia iib iic iii iil iio iip iir iiu ika ikb ikc iki ikk ikl iko ikr iku il- ila ilb ilc ili ilk ill ilo ilp ilr ilu io- ioa iob ioc ioi iol ioo iop ior iou ipa ipb ipc ipi ipl ipo ipp ipr ipu ir- ira irb irc iri irk irl iro irp irr iru iu- iua iub iuc iui iup iur ka- kaa kab kac kai kak kal kao kap kar kau kba kbb kbc kbi kbk kbl kbo kbp kbr kbu kca kcb kcc kci kck kcl kcp kcr kcu kia kib kic kii kik kil kio kip kir kiu kkb kkc kki kkk kkl kkp kkr kku kl- kla klb klc kli klo klr klu koa kob koc koi kok kol koo kop kor kou kpa kpc kpi kpk kpl kpo kpp kpr kpu kra krc kri krk krl kro krp krr kru kub kuc kui kuk kul kup kur kuu l-p la- laa lab lac lai lak lal lao lap lar lau lba lbb lbc lbi lbk lbl lbo lbp lbr lbu lca lcb lcc lci lck lcl lco lcp lcr lcu lia lib lic lii lik lil lio lip lir liu lka lkb lkl lkp lkr lla llb llc lli llk lll llo llp llr llu loa lob loc loi lok lol loo lop lor lou lpa lpb lpc lpi lpk lpl lpo lpp lpr lpu lra lrb lrc lri lrk lro lrp lrr lru lua lub luc lui luk lul luo lup lur luu o-i oaa oab oac oai oak oal oao oap oar oau ob- oba obb obc obi obk obl obo obp obr obu oc- oca ocb occ oci ock ocl oco ocp ocr ocu oia oib oic oii oik oil oio oip oir oiu oka okb okc oki okk okl oko okp okr oku ola olb olc oli olk oll olo olp olu oo- ooa oob ooc ooi ook ool ooo oop oor op- opa opb opc opi opk opl opo opp opr or- ora orb orc ori ork orl oro orp orr oru ou- oua ouc oui ouk oul ouo oup our p-p paa pab pac pai pak pal pao pap par pau pba pbb pbc pbi pbk pbl pbo pbp pbr pbu pca pcb pcc pci pck pcl pco pcp pcr pcu pia pib pic pii pik pil pio pip pir piu pka pkb pkc pki pkl pko pkp pkr pku pla plb plc pli plk pll plo plp plr plu poa pob poc poi pok pol poo pop por pou ppa ppb ppc ppi ppk ppl ppo ppp ppr ppu pra prb prc pri prk prl pro prp prr pru pua pub puc pui puk pul pup pur puu ra- raa rab rac rai rak ral rao rap rar rau rba rbb rbc rbi rbk rbl rbo rbp rbr rbu rca rcb rcc rci rcl rco rcp rcr rcu ria rib ric rii rik ril rio rip rir rkb rkc rkk rko rkp rku rla rlc rli rll rlo rlp rlr rlu roa rob roc roi rok rol roo rop ror rou rpa rpb rpc rpi rpk rpl rpo rpp rpr rpu rra rrb rrc rri rrk rrl rrp rrr rru rua rub ruc rui ruk ruo rup rur ruu ua- uaa uab uac uai uak ual uao uap uar uau uba ubb ubc ubi ubk ubl ubo ubp ubr ubu uca ucb ucc uci uck ucl uco ucp ucr ucu uia uib uic uii uil uio uip uir uiu uka ukb ukc uki ukk ukl ukp ukr uku ula ulb ulc uli ulk ull ulo ulp ulr ulu uoa uob uoc uok uol uoo uop uor up- upa upb upc upi upk upo upp upr upu ur- ura urb urc uri urk url uro urp urr uru uua uuc uur uuu

a-ak a-ii a-ok aaaa aaab aaac aaai aaal aaap aaar aaba aabb aabc aabi aabl aabp aaca aacb aacc aaci