a-ha aaaa aaab aaac aaah aaal aaap aaba aabb aabc aabh aabl aabp aaca aacb aacc aach aacl aaco aacp aaha aahl aala aalc aall aalo aaoo aapa aapc aaph aapl aapo abaa abab abac abal abap abb- abba abbb abbo abca abcb abcc abch abcl abcp abha abho abla ablo aboa abob aboh abol aboo abpa abpc abpp acaa acab acac acap acba acbl acca accc acch acco accp acha achh achl acho achp acla aclc acoa acoh acol acop acpa ahab ahac ahah ahal ahha ahla ahoa ahop ahpl al-p alaa alac alal alao alap alb- alba albc albo alca alcc alco alha all- alla allh alll allo aloa aloc aloh alol aloo alop alpa alph alpl alpo aoah aoba aoca aola aopo apac apah apal apao apap apba apca apcb apcc apco aph- apha aphc apl- apla aplp apo- apoc apoo apop appa appc apph appl baaa baah baal baba babb babo bac- baca bacc bach baco baha bahl baho bala balc ball balo baoh baol bapa bapc bapp bbbb bbch bblb bcaa bcap bcbc bcbp bcca bccc bccl bcpl bcpp bhao bhca bhcc bhpl blaa blab blac blah blob bloc bloo blop boab boac boal boba bobb bobo boca boch boco boha bohl boho bola boll bolo boob booc booh bool boop bopa bopp bpcp bphc c-bo caaa caab caac caah caal caap caba cabo cac- caca cacc cach caco caha cahl cala calc call calo calp caol capa capb capc caph capo capp cbac cbal cbbc cbca cbcc cbcl cbcp cbha cbhl cblb cblc cbol cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp ccha cchl cchp ccla cclc ccob ccoc ccpa ccpl ccpp chaa chab chac chah chal chao chap chbp chca chch chcp chha chlc chlp choc choh chol choo chop chpa chpp clab clap clob cloo clop clpb clpp coal coba cobb cobh cobo coca coch coco cocp coha coho col- cola colb coll colo colp coob cooh cool coop copa coph copo copp cpaa cpac cpap cpbc cpca cpha cphl cplc cppa haab haal haba habo haco haha haho hal- hala halb hall halo halp hapa happ hboc hcap hcbc hcca hccb hccc hcch hcpc hhaa hhcl hhhh hhla hhpa hhpc hlah hoac hoap hoba hobo hoca hoch hoha hohl hoho hol- hola holb holc holh holl holo holp hool hoop hopa hopo hopp hpac hpao hpcc laaa laac laal laap laba labo laca lacc lach lacl laco lacp laha laho lala lall lalo lapa lapb lapc lapp lbcc lcac lcbc lcca lccc lchc lcpa lcpc lcpl lhhh llao llcc lllc llll lloa lloc lloo loac loap lob- loba lobb lobh lobo loca locc loch loco loha loho lola loll lolo loob looc lool loop lopa lopp lpac lpla lppl oahp oall oaph obal obba obbo obla obol ocab ocac ocal ocap ocbc occa occc ocha oclc ocpa ocpp ohal ohba ohcc ohho ohob ohoh olac olah olba olbo olca olcc olla ollo olpc olph ooaa ooba ooha ooho oola oolo oooh oooo opah opal opap opca opla opo- oppa oppo paal paap paba paca pach paco paha paho pahp pala palh pall palo palp paoc paoh papa papb papp pbac pbcc pboc pbpa pcaa pcap pcba pcbc pcca pccc pccl pcha pchp pcll pclo pcoa pcpb pcpp phah phal phcc phlo phob phoh phoo phpa plaa plab plac plap plcc plch plob ploc ploh ploo plop plpa plpp poba pobo poca poch poco poha pohl pola poll polo pooh pool poop pop- popa popc popo popp ppac ppal ppap ppcc pplo ppoa pppa pppo pppp